CIST1122_Mod_2-5

You are trying to troubleshoot a desktop power supply issue using a voltmeter. Which of the following options are the MOST common voltages produced by the power supply? (Select TWO). +/- 110 v +/- 120 v +/- 12 v +/- 10 v +/- 5 v

+/- 12 v +/- 5 v

Arrange the standard change order form information on the left in its standard presentation order on the right. (Not every answer will be used.) -Proposal to the customer -Change board membership -Explanation of changes already made -Backout plan -Scope of the change -Risk analysis -Proposal to the CEO -Purpose of the change -Plan for the change

-Purpose of the change -Scope of the change -Plan for the change -Risk analysis -Backout plan

On a Linux system, what is the name of the directory where you will find a text file called devices that contains information about the devices that are configured on the system? /proc /dev /hwinfo /sys /root

/proc

You have been asked to implement a RAID 5 solution for an engineer's desktop workstation. What is the minimum number of hard disks that can be used to configure RAID 5? 2 3 4 5 6

3

You have a computer that has four DDR2 memory slots. Currently, there are two 512 MB memory modules installed. You check the motherboard documentation and find that the system has a 4 GB memory limitation. You want to add more memory to this system. By adding new memory modules, and without replacing the existing memory modules, what is the maximum total amount of usable RAM you can have in this system? 3 GB 2 GB 3.5 GB 1.5 GB 4 GB 4.5 GB

3 GB

Which tool would you use to grab and lift small objects? 3-prong holder Multimeter Cable tester IC extractor

3-prong holder

Assuming all other processor specifications are the same, which of the following processor sizes will consume the least amount of power? 32 nm 65 nm 90 nm 45 nm

32 nm

What is the approximate bus speed of DDR2 memory rated at PC2-5300? 400 MHz 333 MHz 533 MHz 5300 MHz 667 MHz

333 MHz

One of the video editors in your company is worried that he may lose a lot of data if his hard drive fails. He has asked you to come up with a solution. To do this, you have decided to implement a RAID 10 solution on his desktop workstation. Which of the following is the MINIMUM number of hard disks that can be used? 2 3 4 5 6

4

You are building a new computer and have purchased a motherboard that includes four built-in SATA connectors. Which of the following MOST accurately lists the maximum number of SATA devices you can connect to the motherboard using the integrated ports? 4 8 16 32 64

4

You have a CD-RW drive that advertises speeds of 32x/12x/48x. What is the read speed of the drive? 32x Depends upon the manufacturer's speed designation standards 48x

48x

What is the maximum data transfer speed for USB 3.0 devices? 480 Mbps 1.5 Mbps 5 Gbps 12 Mbps 400 Mbps

5 Gbps

Which of the following BEST describes the theoretical capacity of a DDR4 standard system memory module? 256 GB 512 GB 512 MB 128 MB

512 GB

You want to build a new system that supports 6 GB of memory. Which of the following will be the MOST important consideration when building the computer? DDR3 memory ECC memory Triple channel memory support 64-bit processor

64-bit processor

You have a laptop with a dual-core processor that has the following characteristics: 1024 KB L2 cache 125 Watts 45nm process size You want to upgrade the processor to one that uses less power. Which of the following characteristics would MOST likely identify a processor that uses less power? 512 KB L2 cache 90 Watts 32nm process size Single-core processor

90 Watts

Which of the following BEST describes the purpose of a CPU socket? A CPU socket is a single connector between a microprocessor and the motherboard. A CPU socket is used to expand the computer's functionality, like a video card, network card, or sound card. A CPU socket allows you to connect external devices such as your monitor, speakers, keyboard, and mouse. A CPU socket allows computer memory (RAM) to be inserted in the computer.

A CPU socket is a single connector between a microprocessor and the motherboard.

Which of the following statements about cleaning monitors and display devices is true? Most new monitors are self-cleaning and should not be cleaned using external methods. A monitor should be powered off and cleaned with a lint-free cloth. Monitors are best cleaned while powered on in order to observe the effectiveness of your cleaning. An LCD monitor is best cleaned using a lint rag and glass cleaner.

A monitor should be powered off and cleaned with a lint-free cloth.

During the POST, you receive the following message: Keyboard not present. Press F1 to continue. What are the most likely causes of this error message? (Select TWO.) Incorrect keyboard data in the CMOS A poor keyboard connection A broken F1 key A stuck key on the keyboard An outdated BIOS

A poor keyboard connection A stuck key on the keyboard

You need to purchase a case that meets the following criteria: Compatible with most form factors At least two external and internal bays Good balance of size and space Which case type should you purchase? ATX full-tower ATX mid-tower Micro-ATX tower Mini-ITX tower

ATX mid-tower

Which partition type identifies the partition as one that holds the boot loader program used to start the operating system? Primary Active System Extended

Active

You are a high school student learning about computers and how to build them. As a class project, you have built a new computer. You power on your computer and begin to configure the system. After a short while, you notice smoke coming from the PC, and shortly after that, the computer stops working. After removing the computer case, you see that the CPU and surrounding areas are burnt and very hot. You realize that the costly mistake you made was not using a heat sink. When rebuilding your computer, which of the following cooling systems would MOST efficiently remove heat from the CPU? Passive heat sink Passive heat sink, thermal paste, liquid pipes, and fan Heat sink, thermal paste, and fan Passive heat sink with thermal paste Active heat sink, thermal paste, liquid pipes, and fan

Active heat sink, thermal paste, liquid pipes, and fan

If you want to boot from a hard drive, what must it have? Active partition Passive partition Extended partition Dynamic partition

Active partition

You have a computer with a Pentium 4 CPU and two PC-2400 DDR modules. The motherboard has room for two additional memory modules, and you'd like to install two PC-4000 modules. Which of the following statements is true? All memory will operate at 300 MHz. Half of the memory will operate at 300 MHz, and the other half at 500 MHz. You cannot mix memory modules with different ratings. All memory will operate at 500 MHz.

All memory will operate at 300 MHz.

Which of the following tools can help prevent damage when working with computer components? Three-pronged parts retriever IC insertion and extraction tool Tone generator and probe Antistatic pad and wrist strap

Antistatic pad and wrist strap

Which Blu-ray standard defines rewritable disks? BD-R/RW BD-R BD-RE BD-ROM

BD-RE

Which of the following components is an example of firmware? RAM Cache BIOS/UEFI EEPROM

BIOS/UEFI

To improve system performance, you have configured a motherboard to run with a higher multiplier than what the CPU is specified to use. Since doing this, the system has become unstable and crashes frequently. To restore system stability, which of the following should be completed? Back off on the overclocking settings until the system runs in a stable manner. Make sure the switch on the power supply is set to the correct voltage. Replace the CMOS battery to make sure the real-time clock has the correct time. Make sure the BIOS firmware supports the overclocking settings you're using.

Back off on the overclocking settings until the system runs in a stable manner.

You have just received a frantic call from a customer. She informs you that after turning her computer on, she received the following error: The SMART hard disk check has detected an imminent failure. Which of the following is the BEST first step to take? Run a reliable defragmentation tool. Correct the bad areas on the drive using chkdsk. Run a hard drive test to verify the condition of the hard disk. It may be a false error. Back up all important data and files.

Back up all important data and files.

You have a computer with a removable disk drive that has been formatted with NTFS. You want the drive to use FAT32 to be compatible with more operating systems. The drive is currently configured using drive letter D:. Which of the following actions MUST you complete to make the desired changes? Upgrade the disk to a dynamic disk. Back up the data on the D: drive. Run convert.exe. Back up the data on the D: drive. Reformat the D: drive using FAT32. Restore the data. Back up the data on the D: drive. Run format /fs:NTFS.

Back up the data on the D: drive. Reformat the D: drive using FAT32. Restore the data.

You are filling out a change order form. Toward its end, you explain how you will return affected hardware and software to its original state if the change fails. What is this plan called? Rollback plan Risk analysis System image plan Backout plan

Backout plan

Which of the following devices would you add to a computer if you needed to take inventory at a retail store by scanning the UPC symbols on products? Bar code reader Scanner Touch screen Trackball

Bar code reader

Which of the following are safe methods of lifting heavy objects? (Select TWO.) Bend at the waist. Bend your knees with your back straight. Pull up with your arms. Use a lifting strap around the object and your neck. Lift with your legs.

Bend your knees with your back straight. Lift with your legs.

Where should the thermal paste go when installing a processor? Between the heat sink and CPU Between the CPU and fan Between the heat sink and fan Between the motherboard and CPU

Between the heat sink and CPU

One day, while trying to start your Windows 10 system, you see the following error displayed: Could not read from the selected boot disk. Check boot path and disk hardware. Which of the following will MOST likely fix the problem? Boot into the recovery environment and run the bootrec /rebuildbcd command. Boot into the recovery console and run the fixmbr command on the boot volume. Boot into the recovery console and run the bootcfg /rebuild command. Boot into the recovery console and copy the NTLDR file to the boot volume. Boot into Safe Mode and restore to a restore point.

Boot into the recovery environment and run the bootrec /rebuildbcd command.

While on a service call at a customer site, you are discussing the problem with the customer when your cell phone rings. You check the caller ID, and you see that the call is related to parts you ordered for another customer. Which of the following is the MOST professional way to handle the situation? Immediately answer the phone and try to finish the call as fast as you can. Ask the customer if it is okay to take the call, and then step into the hallway to briefly talk on the phone. Answer the phone and say, "I'm busy right now. I'll call you right back." Ignore the phone and let it continue ringing until the caller reaches your voicemail.

Ask the customer if it is okay to take the call, and then step into the hallway to briefly talk on the phone.

HDMI cables are able to carry both video and audio signals; however, most video cards send only a video signal. Which of the following techniques can be used to send an audio signal through the video card? (Select TWO). Audio pass-through Using a graphics card with an onboard audio processor Using a DVI cable in addition to the HDMI cable DirectX/OpenGL Multi-GPU

Audio pass-through Using a graphics card with an onboard audio processor

As you arrive on-site to fix an issue, you are met by a frantic employee who immediately details how critical the issue is and how important it is to fix it as quickly as possible. Having seen this same issue many times, you say to the customer, "Stop worrying. I know what I'm doing." Which of the following professionalism principles is the technician failing to follow? Maintain a positive attitude. Avoid an argument with the customer. Avoid being judgmental. Avoid dismissing customer problems.

Avoid dismissing customer problems.

Brian is a new employee on the development team. As part of his job, he runs three virtual machines (VMs) on his computer. Each VM runs a different Windows license. After a while, Brian notices that his VMs are not running as fast as he thought. He has asked you to explore the issue. Which of the following BEST describes why Brian's VMs are running slowly? Brian's computer has a single dual-core CPU containing two central processing units. Brian's computer has a single-core CPU configured to use hyper-threading. Brian's computer has two physical CPUs, but hyper-threading has not been configured. Brian's computer has a quad-core processor, but hyper-threading has not been configured.

Brian's computer has a single-core CPU configured to use hyper-threading.

Your company provides testing services that help customers identify and resolve performance issues with their software and e-commerce sites before they go live. To perform accurate testing, a large number of computers are required, sometimes numbering in the hundreds. Recently, you have noticed that the lights in the testing lab seem dimmer than normal and sometimes flicker. Which of the following electrical terms BEST describes the condition you are most likely experiencing? Power surge Brownout Blackout Power spike

Brownout

What type of RAM might slow system performance because it holds memory addresses or data to improve stability on systems with more than 1 GB of RAM before it is transferred to the memory controller? Buffered EEPROM Parity RAM Unbuffered

Buffered

A new computer is being purchased for Peter, the new administrative assistant. Peter primarily uses word processing, spreadsheets, presentation software, and a web browser to complete his job assignments. Which of the following BEST describes the reason to choose unbuffered instead of buffered memory for this new computer? Buffered memory is faster and more reliable than unbuffered memory. Buffered memory is less expensive and slower than unbuffered memory. Buffered memory is faster and less reliable than unbuffered memory. Buffered memory is more expensive and slower than unbuffered memory.

Buffered memory is more expensive and slower than unbuffered memory.

Which component is responsible for converting digital audio into sound that can be played on speakers? ADC THX DAC MP3

DAC

You suspect that the power supply in your desktop PC is failing. You want to use a multimeter to test the power supply. Which multimeter setting should you use? Ohms DC volts AC volts Watts

DC volts

Your motherboard has sockets for 184-pin DIMM RAM. Which type of RAM should you install? SDRAM FPM EDO DDR

DDR

Assuming the same operating frequency, what are the advantages of DDR3 over DDR2? (Select TWO.) DDR3 doubles the data transfer rate of DDR2. DDR3 accepts four consecutive 64-bit words per bus clock cycle. DDR3 uses less power than DDR2. DDR3 includes a buffer between the data bus and the memory.

DDR3 doubles the data transfer rate of DDR2. DDR3 uses less power than DDR2.

Which of the following memory ratings identifies the fastest memory? PC-3200 PC-133 DDR3-1600 DDR2-667 PC-2700

DDR3-1600

Which memory rating identifies the fastest memory? PC2-3200 DDR-400 PC3-8500 PC3-10600 DDR3-2000

DDR3-2000

Assuming the same operating frequency, what advantages does DDR4 have over DDR3? (Select TWO.) DDR4 uses less power than DDR3. DDR4 doubles the data transfer rate of DDR3. DDR4 includes a buffer between the data bus and the memory. DDR4 accepts sixteen consecutive 64-bit words per bus clock cycle. DDR4 accepts four consecutive 64-bit words per bus clock cycle.

DDR4 uses less power than DDR3. DDR4 doubles the data transfer rate of DDR3.

Which of the following are terms used to identify memory modules? AGP SATA DIMM PATA

DIMM

Which of the following video card connectors provides digital video output? (Select TWO). DVI-A Composite DVI-D HDMI S-video

DVI-D HDMI

You have a computer with three hard disks. A RAID 0 volume uses space on Disk 1 and Disk 2. A RAID 1 volume uses space on Disk 2 and Disk 3. Disk 2 fails. Which of the following is true? Data on the RAID 0 volume is accessible; data on the RAID 1 volume is not. Data on both volumes is not accessible. Data on both volumes is still accessible. Data on the RAID 1 volume is accessible; data on the RAID 0 volume is not.

Data on the RAID 1 volume is accessible; data on the RAID 0 volume is not.

You are a first line desktop support technician. A user reports that he cannot access several network files. After some investigation, you determine that the problem is with a network server. Which of the following actions should be performed NEXT? Document the problem. Fix the problem. Determine if escalation is needed. Create an action plan.

Determine if escalation is needed.

A user reports that he can't send print jobs to a specific printer. You are able to reproduce the problem on the user's computer. Which of the following actions should you perform NEXT? Determine if escalation is necessary. Establish a plan of action. Determine whether anything has changed. Establish the most probable cause.

Determine whether anything has changed.

Alice recently purchased a new cell phone. After her vacation, Alice wanted to transfer her holiday photos to her computer to do some touchup work before sending the pictures to her children. When Alice attached her phone to her computer, she saw that Windows detected her phone and tried to load the applicable software to give her access to her phone. Unfortunately, after trying for several minutes, Windows displayed a message indicating that it was unsuccessful. When Alice explored her available drives, her phone was not listed. Which of the following would be the BEST administrative tool to help Alice gain access to her phone? Device Manager Component Services Event Viewer System Configuration Services

Device Manager

As a member of the help desk administration team, you've been assigned to update the driver for the network adapter that is installed on most of the machines in your department. You have a copy of the latest driver on a USB flash drive. Which Windows utility will allow you to manually update this new driver? Device Manager Driver Manager Network and Sharing Center Internet Properties

Device Manager

Which system utility would you use to troubleshoot hardware devices, examine and control the resources used by specific devices, and install updated device drivers? Network Notification Area System Restore Control Panel Device Manager

Device Manager

Which system utility would you use to troubleshoot hardware devices, examine and control the resources used by specific devices, and install updated device drivers? Services console System Restore Msinfo32 Device Manager Msconfig

Device Manager

You are an IT technician for your company. As part of your job, you must manage and support a wide variety of devices. Which of the following devices MOST likely uses a micro-USB connector? (Select TWO). Scanners Printers Digital cameras Network hubs and modems Smartphones

Digital cameras Smartphones

Timothy works in the graphic arts departments and has received approval to upgrade his video card. The card has arrived, and you are ready to begin the upgrade. To ensure your personal safety, which of the following should you do FIRST? Place the computer on an ESD mat. Disconnect power. Remove jewelry. Put on safety glasses.

Disconnect power.

Which of the following disk maintenance utilities locates and disposes of files that can be safely removed from the disk? Disk Management Disk Defragmenter Check Disk Disk Cleanup

Disk Cleanup

Which of the following disk maintenance utilities optimizes the performance of your hard drive by joining parts of files that are in different locations on your hard drive into a single location? Check Disk Disk Cleanup Disk Defragmenter Disk Management

Disk Defragmenter

Which tool would you use to create and delete partitions on hard drives? Device Manager Explorer Disk Management Services

Disk Management

You have physically installed a new hard disk drive in your computer and configured the disk in the BIOS using the CMOS setup program. You try to access the hard disk drive in Windows Explorer, but the drive is not displayed. Which of the following utilities will you MOST likely use to solve the problem? format sfc Disk Management chkdsk

Disk Management

While configuring a computer, you find that you need to create, format, and manage the partitions and volumes on your hard drives. Which of the following is the BEST command line utility to use? Disk Management DiskMan DiskPart chkdsk format

DiskPart

You have a computer running Windows 10 Home. You need to access the contents of a flash drive. The flash drive has been formatted with the exFAT file system. You want to read the flash drive on your computer as quickly as possible with the least amount of effort. What should you do? Upgrade the computer to Windows 10 Professional. Install the latest Windows 10 service pack. Do nothing. Windows 10 can natively access exFAT file systems. Run convert.exe on the flash drive to convert it to FAT32 instead of exFAT. Install an exFAT reader application on your computer.

Do nothing. Windows 10 can natively access exFAT file systems.

A user reports that the projector in the conference room has display issues when it is connected to his laptop. After identifying the cause and completely resolving the issue, the projector displays the images perfectly both on his laptop and on the projector. Which of the following troubleshooting strategies should be performed NEXT? Test the solution. Establish what has changed. Identify the problem. Document the solution.

Document the solution.

You have just connected a new USB device to your Windows system. You used the installation disc that came with the device to install the drivers needed to support the device. Since the installation, the system frequently crashes when you try to access the new device. Which of the following steps would MOST likely resolve this issue? Download and install the latest driver from the manufacturer's website. Replace the device itself. Run the Add Legacy Hardware wizard and manually configure the device. Remove and then reinstall the device.

Download and install the latest driver from the manufacturer's website.

You've just installed a new video card in a user's Windows workstation. When the system is powered on, the screen is displayed in 16 colors at 640x480 resolution. Which of the following will BEST resolve this problem? Verify that the system UEFI firmware is compatible with the video card. Reboot the system into Safe Mode. Upgrade the monitor to one that supports a higher sync rate. Download and install the latest driver from the video card manufacturer's website.

Download and install the latest driver from the video card manufacturer's website.

You have just installed a new device in your Windows system. After installation, you can't use the device. You check Device Manager and find an icon for the device with a yellow exclamation mark over it. What should you do? Reinstall the device. Download the latest driver from the manufacturer's website. Replace the device. Enable the device. Run the Add Legacy Hardware wizard and manually configure the device.

Download the latest driver from the manufacturer's website.

You have just purchased a new plug-and-play sound card that uses a PCI slot. What should you do before installing the device in your Windows system? (Select TWO). Download the latest driver from the manufacturer's website. Use jumpers on the card to assign IRQ and memory addresses. Check the HCL to make sure the device is compatible with the version of Windows running on your system. Check the BIOS to see which system resources are free and can be assigned to the card. Enable Windows Update so the latest driver is downloaded automatically.

Download the latest driver from the manufacturer's website. Check the HCL to make sure the device is compatible with the version of Windows running on your system.

To improve the safety of your location and to comply with regulations regarding work environments with hazardous materials, you have been assigned to assemble Material Safety Data Sheets (MSDS) for all chemicals used in your shop. How should you obtain these documents? Download them from the chemical manufacturer's websites. Ask your manager for them. Write them yourself after researching the issues. Get them from your local workers' safety insurance office.

Download them from the chemical manufacturer's websites.

You are a trainer for your company and often teach courses in a classroom located on-campus or in a hotel conference room. In your office, which is separate from the classroom, you have two external monitors connected to your laptop, and you are able to display different content on each monitor. However, when teaching, you only have your laptop and a projection unit. To make teaching easier, you want the same content to show on both the laptop monitor and the projection screen. Which of the following multiple display options would be BEST to select when teaching? Show only on 1. Show only on 2. Duplicate these displays. Extend these displays.

Duplicate these displays.

Which disk types does Windows support? (Select TWO.) Dynamic Primary Extended Static Basic

Dynamic Basic

Which of the following is an error detection technique that can also correct the error? Parity ECC Non-parity EDO

ECC

Which of the following components is a non-volatile memory technology for saving system settings when the computer is powered off? BIOS password CMOS chips CMOS battery EEPROM chips

EEPROM chips

You work for a store that sells and repairs computers. Due to the room's layout, while repairing computers, you must walk from one side of the carpeted room to the other frequently. Which of the following would BEST protect you from static electricity buildup? Self-ground ESD mat ESD wrist strap ESD heel strap

ESD wrist strap

The PCI sound card in your computer has stopped working. You decide to use the motherboard's integrated sound until you can replace the PCI sound card. After removing the PCI sound card and powering on the computer, you have no sound ,and the built-in sound card does not show up in Device Manager. To solve this issue, which of the following is the BEST action to try first? Update the necessary audio codecs. Enable the sound card in Device Manager. Update the drivers for the device. Edit the CMOS settings and enable the onboard sound.

Edit the CMOS settings and enable the onboard sound.

A user sends a print job to a network printer, and it prints page after page of random characters. He calls the help desk, and a technician discovers that the wrong printer driver had been loaded on the user's workstation. The technician loads the correct driver, verifies that the system works correctly, and documents the resolution. Which of the following actions should the technician perform NEXT? Disable the network printer until users learn to use the correct drivers. Formally close the incident in any job tracking tool. Educate the user as to how the problem was resolved and verify that they are satisfied with the results. Upgrade to a newer printer that uses embedded drivers. Write an email to the user's supervisor and insist that he train his employees on how to use the network printer.

Educate the user as to how the problem was resolved and verify that they are satisfied with the results.

You are attempting to boot a new system. The boot fails, and the system sounds a beep code. Which of the following describes the MOST likely cause of this error? The new memory is not compatible and was not installed and configured properly. The POST failed to recognize all of the memory. Either a card/memory module is not seated properly or the system includes unsupported memory. Either no memory is installed or the memory was not detected.

Either no memory is installed or the memory was not detected.

Since it has no moving parts, a CPU will usually work properly for several years. Which of the following is a common factor that MIGHT cause a CPU to fail prematurely? Magnetic field High CPU usage Electromagnetic interference Unsupported memory modules Electrostatic discharge (ESD)

Electrostatic discharge (ESD)

You are in a carpeted office lighted by fluorescent bulbs. You are preparing to add memory modules to a user's computer. The user has already unpacked the memory modules and stacked them on top of an old, unused CRT monitor. In this environment, what is the greatest threat to these memory modules? High voltage discharge from the CRT monitor Electromagnetic interference (EMI) from the fluorescent lights The magnetic field around the CRT monitor Electrostatic discharge (ESD)

Electrostatic discharge (ESD)

A user complains that his USB scanner no longer works. You check Device Manager and see an icon with a black down arrow on it. What should you do? Enable the device in Device Manager. Remove and then reinstall the device. Update the device drivers. Replace the device.

Enable the device in Device Manager.

What is your top priority when responding to emergencies and hazardous situations? Protect your organization's data. Ensure the safety of people in the area. Reduce risk and exposure to litigation. Prevent the release of hazardous elements into the atmosphere.

Ensure the safety of people in the area.

Which type of software-generated problems can indicate that a software bug is causing a memory error? (Select THREE.) Registry error Exception error Incorrect memory count General-protection fault Parity interrupt Page fault

Exception error General-protection fault Page fault

A user asks you to perform a task that you do not know how to do and is not in the scope of your job duties. What is the BEST way to respond to this situation? Explain to the user that this is not a task you can perform, but you will do your best to contact someone who can perform the task. Tell the user it isn't in your job description and move on with your current task. Try to perform the task by yourself. Tell the user that they will need to find someone else to take care of their problem.

Explain to the user that this is not a task you can perform, but you will do your best to contact someone who can perform the task.

You are removing screws within a computer, but several have fallen into places you can't reach. Which tool would help retrieve the small screws? IC extractor Needle-nose pliers Screwdriver Extension magnet

Extension magnet

You have just purchased a new USB drive that you want to use to troubleshoot the computers in your company as well as other network devices, such as printers and projectors. You need to format this new drive with a file system that will be recognized and used on all devices. When formatting your USB drive, which of the following file system types would meet MOST, if not all, of your needs? NFS NTFS FAT32 CDFS

FAT32

Which function does a motherboard's chipset perform? Maintains an accurate system time and date. Controls devices and functions attached to the motherboard. Initializes devices during the boot process. Facilitates communication between the processor, memory, and peripheral devices.

Facilitates communication between the processor, memory, and peripheral devices.

Which of the following BEST describes the chipset? Connections to the motherboard's front panel connectors, which are also called headers. Designed to be compatible with a specific type of memory module. Allows you to expand the capabilities of your computer by installing expansion cards. Facilitates communication between the processor, memory, and peripheral devices.

Facilitates communication between the processor, memory, and peripheral devices.

Lately, you hear a clicking noise when reading or writing data from the hard disk. What is the most likely cause of the clicking? Failed UPS Failing hard drive Bad memory Overheated CPU

Failing hard drive

A technician works in a factory where there is a significant amount of EMI (electromagnetic interference) emissions. Due to this EMI, several of the computers that control the factory's manufacturing machines are unable to communicate with the network. Which of the following network cabling options would be the BEST for reestablishing network communications? Coaxial Cat 7 Cat 5e Fiber optic

Fiber optic

Your U.S.-based company has recently purchased an old office building where employees are being assigned to work. As you are setting up the employees' desktop computers, you come to one location where the nearest wall outlet has only two prongs. All of the metal-enclosed desktop computers have three-prong cords. Which of the following is the BEST way to proceed with that particular desktop computer? Use the existing cord, but remove the grounding prong, as it is not required. Get a new power cord with two prongs to match the wall outlet. Find a different outlet that uses three prongs. Purchase an adapter that converts the three-prong cable to two prongs.

Find a different outlet that uses three prongs.

You work at the IT help desk in your company. An employee calls to report a problem with her workstation, and a service ticket is assigned to you. You respond to the service ticket immediately and arrive at the employee's workstation within minutes. When you say hello, she responds in Spanish. You realize that she only speaks Spanish, and you only speak English. What should you do? Use hand gestures to communicate. Walk away and assign the problem to someone else. Find an interpreter. Ignore the user and start working on the computer.

Find an interpreter.

A customer wants to add an additional video card to her computer so she can play the latest computer games. As a result, this system will now have a multi-GPU configuration. Which of the following statements are true? (Select TWO). Linking video cards also provides additional video output ports. For the best performance, both video cards should be identical. An SLI video card can be linked with a CrossFire video card. Linking only shares memory resources, not GPU resources. The motherboard should support either SLI or CrossFire.

For the best performance, both video cards should be identical. The motherboard should support either SLI or CrossFire.

You need to replace the power supply in your home desktop computer. As you choose the replacement power supply, which of the following specifications are the MOST likely to affect your choice? (Select THREE). Output frequency Input frequency Form factor Output wattage Input voltage Processor connector Output voltage

Form factor Output wattage Processor connector

You are installing Windows 10 on a drive that was previously used for Windows 8.1. This drive has one primary partition. While installing Windows, you want to ensure that the old files are deleted and any bad sectors are located and marked as bad. To achieve your desired goal, which of the following is the BEST option to run? DiskPart Quick format Bootrec Full format

Full format

As an IT technician for your company, you are in the process of setting up several servers in your network. During the process, one of the servers is misconfigured and is, therefore, having trouble synchronizing information with the other servers. Which of the following is the BEST next step? Create a hypothesis. Gather information. Identify what has changed. Implement the fix. Determine the appropriate fix.

Gather information.

A PC technician knows he will be late to an appointment with a customer. Which of the following actions should the technician take? (Select TWO). Give a realistic timeframe for your arrival. Tell a joke to ease the situation. Contact the customer and apologize. Blame your tardiness on heavy traffic. Explain why you are late.

Give a realistic timeframe for your arrival. Contact the customer and apologize.

The CEO of your small company has asked you to connect his laptop computer to the small conference room LED TV. The CEO will be showing a new promotional video that demonstrates the new company strategy through images and sound. Which of the following cable types would work BEST for connecting his laptop to the display? DVI Composite VGA HDMI

HDMI

A technician wants to connect a computer to a high-definition television (HDTV). The technician has attached an HDMI cable from the video card to the television, however, the video card is only sending a video signal over the cable. The technician decides to use the audio pass-through technique to deliver audio to the television. An audio output cable is connected to the video card and television. Which of the following options was used for the audio pass-through? DirectX/OpenGL HDCP HDMI out Multi-GPU

HDMI out

Which of the following is a magnetic storage devices? Flash device Hard disk Solid state drive DVD

Hard disk

Which storage device uses aluminum platters for storing data? DLT tape Hard disk SD card DVD disc CD-ROM disc

Hard disk

You need a storage device that has very large storage capacity, is fast, and is relatively inexpensive. Which storage device will best suit your needs? Optical USB flash drive SSD Hard disk

Hard disk

While you are answering help desk calls, a field customer calls and complains that he cannot print to a workgroup laser printer. Which of the following should be the first question you ask? Have you ever printed to that printer? Have you rebooted the printer? Have you checked the cables? Have you rebooted and chosen safe mode?

Have you ever printed to that printer?

You have four volumes on a basic hard disk. You convert the disk to dynamic. After the conversion, which of the following are you MOST likely to see as the status of the fourth volume if it is valid and has no errors? Healthy Healthy (Logical Drive) Healthy (Primary Partition) Healthy (Basic) Healthy (Dynamic)

Healthy

You have four volumes on a basic hard disk. Which of the following are you MOST likely to see as the status of the fourth volume if it is valid and has no errors? Healthy (Basic) Healthy (Dynamic) Healthy Healthy (Logical Drive) Healthy (Primary Partition)

Healthy (Logical Drive)

Which of the following terms describes a PC card that you can insert and remove without rebooting the computer? Hot play AT attachment Plug-and-play Hot swappable

Hot swappable

When using Intel chips, which of the following features BEST allows a single processor to run two threads in parallel instead of processing single threads linearly? Hyper-threading Dual core Overclocking Multi-processing

Hyper-threading

Most devices that you install in a system require little to no configuration; they simply work after you plug them in. This is because devices are automatically assigned the system resources needed for the device to begin functioning. Which of the following are the three types of system resources that are USUALLY automatically assigned? I/O address, IRQ, DMA channel Power, I/O address, IRQ Device drivers, IRQ, interrupt address Digital signature, DMA channel, driver updates

I/O address, IRQ, DMA channel

Which of the following objects is installed between the back side of the system case and the motherboard's ports? Fan I/O shield Standoffs Heat spreader

I/O shield

Which tool would be the best choice for removing and replacing the motherboard BIOS chip? Needle-nose pliers Combination ratchet IC extractor Screwdriver

IC extractor

You are responsible for managing client workstations for your company. A frantic user calls you one morning exclaiming, "Nothing is working!" Which of the following actions should you perform FIRST? Identify the problem. Find out what has changed. Back up the system. Establish a theory. Establish a plan of action.

Identify the problem.

You are the PC technician for a company. An employee has gone to a meeting while you fix the computer in her office. She accidentally left a report open next to her computer. It states that a friend of yours in accounting will be submitted for review if their poor work performance continues. Which of the following is the BEST action to take? Ignore the paper and tell no one of its contents. Give your friend a heads up about what you found, but don't tell them how you got the information. Tell your friend about the report you saw and whose desk it was on. Tell your fellow PC technicians about what you saw and let them decide what to do with the information.

Ignore the paper and tell no one of its contents.

While troubleshooting a computer, you need to view a list of all IRQs and the device using each IRQ. Which of the following options would BEST allow you to accomplish this task? In Device Manager, click View > Show hidden devices In Device Manager, click View > Customize.... Add IRQ as a column In Device Manager, click View > Resources by type In Device Manager, click View > Devices by connection

In Device Manager, click View > Resources by type

Your monitor is displaying images in strange colors. Which of the following is MOST likely the solution to this problem? Increase the color depth. Decrease the resolution. Increase the amount of memory on the video card. Increase the resolution.

Increase the color depth.

Which of the following is not an advantage of SSDs over HDDs? Inexpensive Durable Low power consumption Small and light

Inexpensive

Your company relocated you from the United States to their United Kingdom office in London. You brought your personal computer with you and are in the process of setting it up. Your computer was previously configured to receive 115 VAC, but the electricity in London uses 230 VAC. Which of the following would allow your computer to run on 230 VAC? Inspect the power supply unit for a manual voltage switch and move it to 230 VAC otherwise no action is necessary. Purchase a new power supply that is compatible with 230 VAC. Purchase a voltage converter and plug your computer into the converter box. Edit the BIOS and modify the voltage input setting.

Inspect the power supply unit for a manual voltage switch and move it to 230 VAC otherwise no action is necessary.

You have installed a new computer with a quad-core 64-bit processor, 6 GB of memory, and a PCIe video card with 512 MB of memory. After installing the operating system, you see less than 4 GB of memory showing as available in Windows. Which of the following actions would MOST likely rectify this issue? Install a 64-bit version of the operating system. Flash the BIOS. Disable the AGP aperture in the BIOS. Update the memory controller driver in Device Manager.

Install a 64-bit version of the operating system.

You have a computer with a dual-core 64-bit processor that uses the x86-x64 instruction set. You want to install the 32-bit application on the computer. Which of the following BEST describes the action you should perform? Replace the processor with a 32-bit processor. During installation, install the 32-bit compatibility drivers. Install the application normally. Edit the BIOS and configure the processor to run in 32-bit mode.

Install the application normally.

You have an existing computer running Windows 10. You want to configure a RAID 1 array in the computer. You install two new SATA drives, then use the RAID controller integrated in the motherboard to define a RAID 1 array using them. When you boot the computer, Windows does not show the logical RAID drive. What should you do? Set the jumpers on the drives to use SATA I mode. In the BIOS, change the SATA disk mode to RAID. Install the drivers for the RAID controller. In the BIOS, change the SATA disk mode to AHCI.

Install the drivers for the RAID controller.

You need to connect a new USB scanner to the USB port on your computer. However, the first time you plugged the scanner in, it was not recognized. What should you do? Start the Add a Device wizard and then connect the scanner to the USB port. Connect the scanner to the USB port. Complete the Add a Device wizard, which includes installing the drivers. Install the scanner drivers and then connect the scanner to the USB port and complete the Add a Device wizard when it pops up. Connect the scanner to the USB port.

Install the scanner drivers and then connect the scanner to the USB port and complete the Add a Device wizard when it pops up.

You are putting together a system for a graphic artist and need to make sure you get a display that meets her needs. The display needs to have very good color reproduction quality and viewing angles. The display needs to run cool and be power-efficient. Which of the following types of displays will MOST likely meet these needs? LCD display with TN panel OLED display with wide-angle viewing LCD display with IPS panel Plasma display with no motion blur

LCD display with IPS panel

You are putting together a gaming system and need to make sure you get a display that meets your needs. The display needs to have a very good response time, and you would prefer that it be affordable and power-efficient. Which of the following types of displays will MOST likely meet these needs? OLED display with wide-angle viewing LCD display with TN panel Plasma display with no motion blur LCD display with IPS panel

LCD display with TN panel

Which of the following display technologies require backlighting? (Select TWO) LED Plasma OLED DMD LCD

LED LCD

Which of the following is true of modern LCD monitors regarding backlighting? LEDs are used to backlight the screen. LCD monitors have small cells containing electrically-charged ionized gas that don't need backlighting. Cold cathode florescent (CCFL) are used for backlighting. Red, green, and blue light provide the least expensive type of backlighting technology.

LEDs are used to backlight the screen.

You have just received an order of various system components from an order you placed several weeks ago. One of the components is labeled as SODIMM memory. For which of the following was this memory MOST likely purchased? Desktop workstations Printers Laptop computers Servers

Laptop computers

Which of the following device types should be plugged into a surge-protected-only outlet on a UPS unit, and not a battery backup outlet? Secondary LCD monitor External hard disk drive Laser printer Inkjet printer

Laser printer

A new laptop was delivered to your home and left on the porch while you were at work. It is very cold outside, and you don't know how long it has been there. You unpack the computer. You would like to know if it is working properly. Which of the following is the BEST action to take? Blow compressed air into the cooling ports before turning it on. Let the computer warm up to room temperature before turning it on. Turn on the computer and run self-diagnostic tests. Place the laptop next to a heater set on high and warm it up. Visually inspect the LCD screen for cracks before turning it on.

Let the computer warm up to room temperature before turning it on.

You are configuring a new system, and you want to use a RAID 0 array for the operating system using SATA disks and the RAID functionality built into the motherboard. Which of the following BEST describes the action you will take as part of the configuration? Set master/slave jumpers on the hard drives. Load the RAID drivers during operating system installation. Set the disk mode to AHCI in the BIOS. In the BIOS, set the disk mode to IDE.

Load the RAID drivers during operating system installation.

With a memory module read request, there is a delay between the time of the data request and the time the data is available for output from the memory module. What is this delay called? CAS latency Frequency Clock cycle parity Capacity

CAS latency

Which of the following is a general term for the program that holds system information related to computer startup? DRAM UEFI Cache memory CMOS

CMOS

Which of the following components is necessary to keep the real-time clock running? CMOS battery CMOS chips BIOS password EEPROM chips

CMOS battery

What is the correct order for installing a processor for proper cooling? CPU, thermal paste, heat sink, fan Heat sink, CPU, thermal paste, fan CPU, heat sink, thermal paste, fan Thermal paste, CPU, heat sink, fan

CPU, thermal paste, heat sink, fan

Who needs to approve a change before it is initiated? (Select TWO.) Change board CEO Client or end user Project manager Personnel manager

Change board Client or end user

You have purchased a 1600 x 1200 LCD monitor and connected it to the DVI-I port on your computer using a DVI-D cable. You configure the screen resolution at 1280 x 1024 with 24-bit color. The display output seems to be fuzzy and stretched. Which of the following BEST describes the action you should take to correct the problem? Increase the color depth to 32-bit. Replace the DVI-I cable with a DVI-A cable. Replace the DVI-D cable with a DVI-I cable. Change the screen resolution to the native resolution of the monitor.

Change the screen resolution to the native resolution of the monitor.

You have purchased an LED monitor and connected it to the DVI-I port on your computer using a DVI-D cable. You configure the screen resolution to 1440 x 900 with 32-bit color. The display on the screen seems to be pixilated. Which of the following solutions is MOST likely to fix this problem? Replace the DVI-I cable with a DVI-A cable. Change the screen resolution to the native resolution of the monitor. Decrease the color depth to 24-bit. Change the screen resolution to 1600 X 1200. Replace the DVI-D cable with a DVI-I cable.

Change the screen resolution to the native resolution of the monitor.

Which of the following disk maintenance utilities optimizes the performance of your hard drive by verifying the file system integrity of a hard disk and fixing the errors it detects? Disk Management Disk Cleanup Disk Defragmenter Check Disk

Check Disk

You would like to install Windows on a computer that previously had another operating system installed on it, but you are not sure if the audio card is compatible. The installed audio card is a SoundMax D1371 (PCI) card. Which of the following BEST describes the next step you should perform? View the device manager and check the current driver details. Change from a PCI card to USB. Use a card known to be compatible with Windows. Check the manufacturer website for compatibility information.

Check the manufacturer website for compatibility information.

You have just installed a new USB card reader in your Windows computer. Every time you perform a certain action using the card reader, you get an error message that you've never seen before. Which of the following actions should you perform FIRST? Replace the card reader with a new device. Check the manufacturer's website for information about the error. Uninstall the device and then reinstall it. Install the device on another computer.

Check the manufacturer's website for information about the error.

A customer complains that a recently purchased monitor no longer displays a picture. You verify that the monitor is powered on and that the video cable is securely fastened to the video port. Which of the following actions is the BEST to take next? Check the monitor's brightness and contrast settings using the controls on the monitor. Open the computer and switch the video card to a different slot. Return the monitor to the manufacturer. Unload then reload the video card's software driver.

Check the monitor's brightness and contrast settings using the controls on the monitor.

You have an existing system that has a single DDR3 memory module installed. You would like to add more memory to the three remaining empty memory slots. Which of the following steps should MOST likely be taken to make sure you get the right memory for the system? (Select TWO). Check the motherboard documentation to find which modules are supported. Update the BIOS and then purchase the newest memory modules available. Purchase the fastest modules possible. Purchase the slowest modules to ensure compatibility. Purchase additional modules that are the same as what is currently installed.

Check the motherboard documentation to find which modules are supported. Purchase additional modules that are the same as what is currently installed.

You have just finished upgrading the CPU in your desktop system. After running for about 15 minutes, the system spontaneously shuts down. Which steps should you take to begin troubleshooting the issue? (Select TWO). Check the thermal shutdown threshold in the BIOS. Remove any unnecessary components and run the system. Check the power supply voltage switch. Check the CPU fan power. Replace the power supply.

Check the thermal shutdown threshold in the BIOS. Check the CPU fan power.

You recently purchased a new sound card and installed it in a free PCI slot in your computer. You plug in your old speakers, but you don't get any sound. You have checked all cable connections, and they are secure. You have also ensured that the speaker volume is appropriately adjusted and isn't muted. Which of the following BEST describes the next step you should perform? Replace the speakers. Replace your sound card. Check the vendor's website for an updated driver. Manually change the IRQ settings for the card.

Check the vendor's website for an updated driver.

You've just installed a new video card in a user's Windows workstation. When the system is powered on, the screen is blank. You have checked the video cable and verified it is installed correctly. What should you check NEXT? Install a new monitor. Replace the video cable. Check to make sure the video card is correctly installed on the system board. Check the video driver version and update if necessary.

Check to make sure the video card is correctly installed on the system board.

You want to upgrade all memory in your system with the fastest memory available. Which of the following should you choose? Choose the type of memory that is supported by your motherboard. DDR2 DDR4 DDR3

Choose the type of memory that is supported by your motherboard.

Which of the following are common tools used to physically clean the inside of a computer? (Select TWO.) Damp rag Industrial degreaser Wire brush Compressed air Natural bristle brush

Compressed air Natural bristle brush

You have just installed a new video card in Mark's computer. When you power on the computer, Windows automatically detects the new device and tries to locate an applicable device driver. Unfortunately, Windows cannot locate the required driver. Which of the following would be the BEST administrative tool to fix Mark's computer? System Configuration Resource Monitor Computer Management Component Services

Computer Management

You work as the IT administrator for a small news station. Jill, an employee in building 2, works in the audio/video editing department and would like to increase her productivity. For example, she would like to be able to run multiple programs simultaneously and be able to compare video clips side-by-side. Which of the following configuration changes would provide the BEST solution for Jill? Grant Jill access to a remote workstation. Provide Jill with a second computer. Configure Jill's computer with a higher resolution. Configure Jill's computer to have dual monitors.

Configure Jill's computer to have dual monitors.

You've just purchased 10 new notebook systems for your users. You are concerned that users will leave the systems on for long periods of time, which could result in display burn-in. What should you do to prevent this from happening? Install a software utility on each system that is designed to fix stuck pixels. Increase the hardware acceleration setting on each system. Configure a screen saver on each system. Configure each system to automatically power off after five minutes of inactivity.

Configure a screen saver on each system.

As an IT technician for your company, you have been notified that the Windows domain does not seem to be functioning properly. Being familiar with domains, you are fairly confident you know what the issue is. But just to be safe, you take the applicable time to gather additional information and to identify what, if anything, has changed. Which of the following is the BEST next step? Create a hypothesis. Implement the fix. Determine the appropriate fix. Gather information. Identify what has changed.

Create a hypothesis.

Your computer has a single hard disk with a single volume used by the C:\ drive. You have previously upgraded the disk to a dynamic disk. The disk has run out of disk space. You need to add more space to the C:\ volume. You add a new hard disk to the computer. Which of the following is the BEST step to complete while adding space to the C:\ drive? Strip the C:\ volume to the second disk. Extend the C:\ volume to the second disk. Span the C:\ volume to the second disk. Create a mount point using space on the second disk.

Create a mount point using space on the second disk.

Which of the following accurately describes case fans? (Select TWO). Create a pressurized system inside the case. To reduce dust and debris, they should all exhaust hot air. Do not have a specific design for moving air. Only necessary on high-end gaming systems. Pull cool air from the front and blow hot air out the back.

Create a pressurized system inside the case. Pull cool air from the front and blow hot air out the back.

You are the manager in charge of maintaining desktop computers. A user reports that she can't turn her computer on. After some investigation, you find that the power supply is malfunctioning. Which of the following actions should you perform NEXT? Fix the problem. Create an action plan. Determine whether escalation is required. Document the problem.

Create an action plan.

You have just upgraded the CPU on your computer. You consulted the motherboard documentation to make sure the CPU is compatible with the motherboard. However, when you turned the system on, it locks up shortly after startup. While troubleshooting this issue, which of the following are the BEST steps to try first? (Select TWO). Replace the CMOS battery. Make sure the power cord is plugged in and the power supply switch is in the On position. Test the power supply using a multimeter. Look for something that could be causing the new CPU to overheat. Make sure the CPU is seated properly, oriented properly, and locked into the socket.

Look for something that could be causing the new CPU to overheat. Make sure the CPU is seated properly, oriented properly, and locked into the socket.

Of the following choices, which action could be most physically harmful to you? Force-ejecting a stuck DVD disc using a straightened paper clip. Wearing a grounding strap while installing a modem. Looking into the end of a fiber optic cable. Using a computer without a surge protector.

Looking into the end of a fiber optic cable.

A printer is behaving erratically, and you suspect a faulty parallel port. Which tool can you use to test the parallel port? Cable tester Multimeter Ammeter Loopback plug

Loopback plug

Your workstation is unable to communicate with any other computer on the network. Which of the following tools should you use to test the network card's abilities to send and receive signals? Cable tester Loopback plug Multimeter Ohmmeter

Loopback plug

You are in the process of preparing a storage device and must determine which file system to use. Which of the following BEST describes the advantage of using the exFAT file system rather than NTFS? Lower memory and processor resource use Support for files over 4 GB Support for volumes over 32 GB Access control lists and permissions

Lower memory and processor resource use

Which of the following is an advantage of purchasing a motherboard with integrated graphics and audio? Fewer system resources used Reduced need for device drivers Higher-quality components Faster communication between sound and video devices Lower overall system cost

Lower overall system cost

What is a DB-15 connector on a sound card typically used for? (Select TWO). Speakers Headphones MIDI port Joystick Microphone

MIDI port Joystick

After installing two memory modules, you power on the system to check for errors. You find that the BIOS program recognizes only one of the memory modules. While troubleshooting this issue, which of the following is BEST to try first? Make sure that both modules are seated properly in their slots. Return both modules for a replacement. Change the memory timings in the BIOS to a slower (higher) setting. Scan for new devices in Device Manager; enable any disabled memory modules. Reboot the computer and run memory diagnostic tests on the memory.

Make sure that both modules are seated properly in their slots.

You have just finished upgrading the 250 W power supply in your desktop computer to a 450 W power supply. Now the BIOS doesn't recognize one of the hard disk drives in the system during POST. Which of the following troubleshooting steps is the BEST to try first? Manually enter the hard disk parameters in the BIOS. Reconfigure the hard disk to use the higher-wattage power supply using jumpers on the drive. Make sure that the hard disk is connected to the power supply. Use the switch on the power supply to switch from 110 volts to 220 volts. Replace the power supply.

Make sure that the hard disk is connected to the power supply.

You are trying to connect a new USB device to your computer. You install the driver and then connect the device to an open USB port. The device does not work. Which of the following troubleshooting steps is the BEST to try first? Make sure the USB device is plugged in properly. Replace the USB device. Try a different USB cable. Install a new USB controller card.

Make sure the USB device is plugged in properly.

You have just finished upgrading the CPU in your desktop system. After running the system for about 10 minutes, the system locks up and automatically restarts. Which of the following is the BEST first step in troubleshooting the problem? (Select TWO). Check the power supply voltage switch. Make sure the heat sink is properly mounted and has thermal paste. Remove any unneeded components and run the system. Check the CPU fan power. Replace the power supply.

Make sure the heat sink is properly mounted and has thermal paste. Check the CPU fan power.

An employee submitted a support ticket stating that her computer will not turn on. Which of the following troubleshooting steps should you take first? (Select TWO). Make sure the keyboard and mouse are plugged in. Make sure the power cord is plugged into the wall. Make sure the surge protector is turned on. Use a multimeter to test the power supply. Open the computer and replace the power supply.

Make sure the power cord is plugged into the wall. Make sure the surge protector is turned on.

A customer needs to use several applications. Currently, the computer cannot keep all the necessary applications open at the same time. Which of the following components should you consider upgrading? Memory CPU Hard disk drive System board

Memory

You have just built a new system from scratch. You turn the computer on, but the system boot fails and sounds a beep code. Which of the following is the MOST likely cause? Memory not installed or not detected The system includes unsupported memory New and old memory have been mixed Incompatible memory was installed

Memory not installed or not detected

To prevent ESD when replacing internal computer components, you attach an anti-static wrist strap to your wrist. Where should the other end be fastened? (Select TWO.) Metal area on the computer case Anti-static mat Ground wire on the wall power outlet Ground wire on the power supply Screw on the wall power outlet

Metal area on the computer case Anti-static mat

Which port on a sound card should you connect a non-amplified microphone to? Line In Mic In Speaker Out Line Out

Mic In

A sales person requires that a large number of document, data, presentation, image, and video files be accessible on their personal mobile device when making sales pitches to new customers. A cloud solution is not feasible, since cellular and internet connections are not always guaranteed at a customer site. Which of the following accessories would a technician suggest to BEST meet the sales person's requirements? Micro SD Card Wireless hotspot Credit card reader Docking station

Micro SD Card

You want to build a computer that can stand upright on a desk and takes up the least amount of space possible. Which case type should you select? Mini-ITX tower ATX mid-tower HTPC Micro-ATX slim tower

Micro-ATX slim tower

Which of the following features are typically available through TRS ports on a sound card? (Select TWO). IEEE 1394 Microphone in HDMI audio S/PDIF audio Speaker out

Microphone in Speaker out

Which of the following motherboard form factors BEST allows for low-consumption power supplies? Mini-ITX EATX microATX NLX

Mini-ITX

Which of the following characteristics accurately describe passive heat sinks? Used by liquid-based cooling systems More efficient than active heat sinks More reliable than active heat sinks Used on high-end video cards

More reliable than active heat sinks

You are in the process of configuring a new computer. The motherboard has four memory slots and supports dual-channel memory. You install two memory modules. When you boot the computer, the BIOS recognizes both modules, but the memory is not configured to run in dual-channel mode. What should you do? Add continuity modules to unused memory slots. Change the CAS latency to a higher setting. Replace the memory with dual-channel capable memory. Move the modules to the correct motherboard slots.

Move the modules to the correct motherboard slots.

Which of the following is the most common method for removing RAM from a motherboard? Tip the RAM module at a 45-degree angle while pulling on it. Pull the RAM module up from one corner and then twist to release the other corner. Move the tabs holding the RAM out of the way; pull straight up to remove the RAM. Remove the screw from the one side; pull straight up to remove the RAM.

Move the tabs holding the RAM out of the way; pull straight up to remove the RAM.

Which of the following refers to placing two processors on a single processor chip or die? Multi-core Multi-processor Hyper-threading Multi-threading

Multi-core

Which tool would you use to measure electrical properties such as voltage, amps, and resistance? IC extractor Mini electronic combination wrench set Multimeter Cable tester

Multimeter

Which of the following is a characteristic of a multi-processor system? Shared L2 cache Multiple cores on the same die Ability to use over 4 GB of memory Multiple processor sockets on the motherboard

Multiple processor sockets on the motherboard

Which of the following form factors does not have expansion slots on the motherboard, but instead uses a riser card for expansion cards? BTX Micro-ATX ATX NLX

NLX

What is required to control access to the file system using file and folder permissions on a Windows-based computer? EFS Ext4-formatted partition NTFS-formatted partition FAT32-formatted partition

NTFS-formatted partition

You have a DVD-ROM disc with no label, and you want to know if it has any important files on it. You insert the DVD-ROM into your optical media drive, then you double-click the drive letter for the optical drive to see the contents of the disc. If the DVD-ROM is not a valid disc, which error message will you see? Unreadable No Media Missing Foreign

No Media

Device manufacturers are constantly finding bugs, vulnerabilities, or better ways for their devices to communicate with the operating system. Because of this, which of the following is the BEST practice to do before installing a new device? Let the installation program find the latest driver and download it during installation. Obtain the latest driver from the manufacturer's website only if there is a problem. Obtain the latest driver from the manufacturer's website. Use the driver included on the installation disc from the manufacturer.

Obtain the latest driver from the manufacturer's website.

You have a computer with a single hard disk configured as a basic disk with a single partition formatted with NTFS. The computer runs Windows 10. The disk has run out of space. You need to add space to the disk. You install a new hard drive and start Disk Management. Which of the following is a required task to add space to the existing volume? On the new hard disk, create a new partition without a drive letter. Create an empty folder on the new hard disk. Upgrade both disks to dynamic. Extend the C:\ volume.

On the new hard disk, create a new partition without a drive letter.

You would like to upgrade the processor in your system to a 64-bit processor. Which of the components will you most likely need to upgrade as well to take full advantage of the new processor? Operating system BIOS Hard disk RAM

Operating system

You need to replace the power supply in your home desktop computer. Which of the following specifications are the most likely to affect your power supply choice? (Select THREE). Output wattage Output voltage Input voltage Type and number of connectors Form factor

Output wattage Type and number of connectors Form factor

Zoey has brought her computer in for servicing. When she dropped off her computer, she mentioned that her computer will sometimes spontaneously reboot and freezes occasionally. Which of the following is the MOST likely cause of this problem? Failed UPS Overheated CPU Bad network card Failing drive

Overheated CPU

A computer was brought into your help desk center for repair. You have been told that it randomly locks up. Which of the following is MOST likely causing this issue? Overheated processor Failing network adapter Loose monitor cable Faulty mouse or keyboard

Overheated processor

Which of the following expansion buses is most commonly used for devices such as sound cards, modems, and network cards? PCI VESA Local Bus ISA AGP

PCI

Which of the following expansion buses uses a point-to-point dedicated connection and provides a serial full-duplex method of transmission? PCI VESA Local Bus PCI-X AGP PCIe

PCIe

Which expansion slot is best for high-end dedicated video cards? PCI-X PCIe x16 PCIe x1 AGP

PCIe x16

Steve, a computer technician, received a helpdesk ticket for a computer that will not start. When Steve powered the computer on, there was one long and two short beeps. Which of the following programs is reporting this error condition? ESP initramfs CMOS POST

POST

What is the name for the routine that tests the motherboard, memory, disk controllers, video, keyboard and other system hardware? CMOS BIOS POST CSST

POST

A technician is troubleshooting a computer that doesn't start up correctly. Which of the following tools could the technician use to troubleshoot the computer? (Select TWO). POST Card Tone generator and probe Loopback plug Known good spares Three-pronged parts retriever

POST Card Known good spares

Which of the following is an error detection technique that can detect errors with only one bit? Non-parity ECC EDO Parity

Parity

Which of the following thermal solutions might you find on memory modules? Surface area dissipation Liquid cooling Active heat sink Passive heat sink

Passive heat sink

A user reports that her system is running slow when saving files. You determine that you will need to upgrade her hard disk. You identify the components that are required and schedule the repair for later that afternoon. Which of the following steps have you forgotten in your troubleshooting process? Create an action plan. Perform a backup. Verify system functionality. Implement the solution.

Perform a backup.

After using your LCD monitor for about three months, you notice a small black dot in one area of the screen. Regardless of what is shown on the monitor, the dot remains the same color and in the same location. Which of the following is the BEST method for removing the black dot from the monitor? Purchase a new monitor. Apply a heated cloth enclosed in a bag to the dead pixel. Play a video designed to fix dead pixels. Apply pointed pressure and rub the dead pixel.

Play a video designed to fix dead pixels.

Which of the following tasks would you complete as part of a SATA installation? Set the master/slave relationship using a jumper. Configure the device ID using a jumper. Plug the 15-pin power connector into the SATA drive. Complete a low-level format of the drive. Use the 4-pin molex power connector.

Plug the 15-pin power connector into the SATA drive.

Which of the following tools is specifically designed to test the DC voltage on a hard disk drive power connector? Multimeter Cable tester Power supply tester Loopback plug

Power supply tester

Which of the following connectors are part of the system case and connect to header pins on the motherboard? (Select two.) Power switch HDD LED activity 8-pin EPS12V SATA power 24-pin ATX power

Power switch HDD LED activity

You have added two new hard disks to a Windows computer. The disks are configured as basic disks. Which of the following could be configured on these disks? (Select TWO). Spanned volumes Extended partitions with logical drives Striped volumes Primary partitions Simple volumes

Primary partitions Extended partitions with logical drives

To fix a problem you are having with your PC, you have determined that you must flash the computer's BIOS. Which of the following would MOST likely need to be completed prior to flashing the BIOS? (Select TWO). Test the memory to ensure that it is functioning properly. Properly identify the motherboard. Download the flash utility or tool from the manufacturer's website. Create a backup of the hard disk in the event of a failure. Locate the flash utility or tool that was shipped with your PC.

Properly identify the motherboard. Download the flash utility or tool from the manufacturer's website.

Besides protecting a computer from under-voltages, a typical UPS also performs which other actions? (Select TWO.) Prevents electric shock Prevents ESD Protects network cabling from EMI Protects from over-voltages Conditions the power signal

Protects from over-voltages Conditions the power signal

You are in the process of building a new computer. You would like to configure your computer to use SLI to improve performance while playing your favorite game. Which of the following will MOST likely be part of the configuration process? (Select THREE). Purchase two graphics cards with SLI and similar specifications. Purchase a 1200-watt power supply. Purchase a 7200 rpm or better hard drive. Connect at least one monitor to the graphics card. Purchase a motherboard with integrated video and an add-on card that supports the VGA standards. Purchase a motherboard with integrated video and an AGP 8x slot. Purchase a motherboard with two (or more) PCIe x16 slots.

Purchase two graphics cards with SLI and similar specifications. Connect at least one monitor to the graphics card. Purchase a motherboard with two (or more) PCIe x16 slots.

You are in the process of building a new computer. You would like to configure your computer to use Crossfire to improve performance when playing your favorite game. Which of the following will be part of the configuration process? Purchase a video card that supports the HDMI standards. Purchase a video card that supports the DVI standards. Purchase two identical video cards. Purchase a video card that supports HDCP.

Purchase two identical video cards.

You are building a new computer that will contain two hard disks. To provide increased performance, you have decided to configure the drives using RAID technology. Which of the following will BEST meet your needs? RAID 0 RAID 2 RAID 1 RAID 5

RAID 0

You have been asked to configure the drives in a computer. The end user wants to use striping without incorporating any fault tolerance. Which of the following will BEST meet these requirements? RAID 1 Expanded volume set RAID 5 RAID 0

RAID 0

Ben is concerned about losing data due to a hard disk failure. His computer will only support a maximum of three disks. To protect his data, you have decided to use RAID (redundant array of independent disks). Which of the following RAID types would give Ben the BEST mirrored data protection? RAID 0 RAID 1 RAID 5 RAID 10

RAID 1

One of your customers wants you to build a personal server that he can use in his home. One of his concerns is making sure he has at least one backup of their data stored on the server in the event that a disk fails. You have decided to back up his data using RAID. Since this server is for personal use only, the customer wants to keep costs down. Therefore, he would like to keep the number of drives to a minimum. Which of the following RAID systems would BEST meet the customer's specifications? RAID 0 RAID 1 RAID 5 RAID 10

RAID 1

A computer being used by the HR department needs to ensure that all of the data on that computer is protected from a single hard disk failure. The data needs to be read as quickly as possible, and the HR department would like to maximize drive use as much as possible. This computer can use up to three hard drives. Which of the following RAID types would meet these requirements and provide the BEST data protection? RAID 0 RAID 1 RAID 5 RAID 10

RAID 5

Which of the following drive configurations uses striping with parity for fault tolerance? RAID 1 RAID 5 RAID 0 RAID 10

RAID 5

What is an advantage of RAID 5 over RAID 1? RAID 5 provides redundancy for the disk controller. RAID 5 continues to operate with a failure in two disks; RAID 1 can only operate with a failure of one disk. RAID 5 improves performance over RAID 1. RAID 5 provides redundancy; RAID 1 does not.

RAID 5 improves performance over RAID 1.

You have a computer system with a dual-core processor. You would like to upgrade to a quad-core processor, but you don't want to replace the motherboard. Which of the following steps SHOULD you perform first? Replace the VRM. Install the processor. Edit the BIOS to allow quad-core CPUs. Read the motherboard documentation to identify which processors are supported. Configure jumpers on the motherboard to allow four CPU cores.

Read the motherboard documentation to identify which processors are supported.

You have been using the same computer for several years. To improve performance, you decide to upgrade the processor. You check the motherboard documentation and purchase the fastest processor supported by the motherboard. However, when you try to start the computer, it beeps regularly, and nothing is displayed on the screen. Which of the following actions would MOST likely rectify this issue? (Select TWO). Reinstall the old processor in the motherboard. Flash the UEFI firmware. Press F8 while booting the computer. Return the CPU for a new one. Verify that the CPU fan is connected to the motherboard.

Reinstall the old processor in the motherboard. Flash the UEFI firmware.

Which of the following will help reduce the threat of static discharge when working on computer hardware? (Select TWO.) Touch the leads on the PC components with your finger to dissipate any static charge. Place your hardware on an insulating layer of 1/4 inch Styrofoam. Remain in physical contact with the server chassis at all times. Store unused components in static shielding bags. Reduce the humidity in the room to around 30%. Leave the system plugged into a grounded wall outlet.

Remain in physical contact with the server chassis at all times. Store unused components in static shielding bags.

You have just installed several devices to a computer at once, but now the computer fails to boot properly. Which of the following troubleshooting steps is the BEST to try first? Swap a single device with one that you know to be good. Remove all of the newly added devices and install them one at a time. Change the configuration of a single device. Swap all of the devices with those you know to be good.

Remove all of the newly added devices and install them one at a time.

Anna has been backing up her data on a hot swappable drive mounted in an external hard drive docking station. This docking station holds two drives. Anna would like to exchange one of the drives with a drive of higher storage capacity. Which of the following is the BEST method for replacing the drive? Remove and replace the drive without powering off the computer. Power off the computer. Remove and replace the drive. Power on the computer and test the drive. Remove and replace the drive after using the Safely Remove Hardware feature to shut down the device. From Control Panel, use the Disk Management tool to prepare the bad drive for ejection.

Remove and replace the drive after using the Safely Remove Hardware feature to shut down the device.

The fan in a 450-Watt power supply is malfunctioning. What action should you take? Open the power supply and replace the defective fan unit. Open the power supply and oil the fan. Do not service the computer until the CPU fan also fails. Remove and replace the power supply.

Remove and replace the power supply.

You have a system that has been overheating. Which of the following actions will NOT help to keep the system cool? Adding thermal paste or a thermal pad between the CPU and the heat sink. Installing a water cooling system. Installing heat spreaders and heat sinks on internal components. Removing the case side panel. Cleaning off the inside of the computer case.

Removing the case side panel.

On Windows 10, using Storage Spaces eliminates the need for which of the following tasks? (Select TWO). Creating RAID arrays Formatting hard drives Using Disk Cleanup Repartitioning drives Resizing volumes Running defragmentation

Repartitioning drives Resizing volumes

Your computer has one single core processor installed. The motherboard supports processors with up to four cores. You want to upgrade your computer to a quad-core system. Which of the following will be part of your configuration? Remove the terminating resistor from slots where the new processor will be installed. Replace the existing processor. Configure the system to use dual channel memory. Add a second processor that matches the speed of the first processor.

Replace the existing processor.

A user calls to complain that her computer is behaving erratically. Some days it functions correctly, and other days, it crashes frequently. Sometimes, the system won't boot at all. You open the system case and notice the following: Two of the mounting screws are missing from the system hard disk drive. The system uses memory modules from several different manufacturers with mismatched capacities. Several capacitors on the motherboard are bulging and have a brown liquid oozing from them. The chassis fan on the front of the case is oriented to blow air into the system. What should you do? Replace the leaky capacitors on the motherboard. Use additional screws to mount the hard disk drive to the system case. Replace the existing memory modules with matching modules. Replace the motherboard. Reorient the chassis fan to draw air out of the system case.

Replace the motherboard.

You are testing the power supply in a PC system by measuring the voltage available on the 4-pin Molex connector. The voltage on the yellow wire is +10.1 volts. What should you do? Nothing. The power supply is working normally. Disconnect all devices drawing power from the power supply before testing it. Switch the voltage selector on the back from 220 VAC to 110 VAC. Replace the power supply.

Replace the power supply.

A user calls her organization's help desk to request help connecting to a network server. The Help Desk technician visits her desk to resolve the issue. Once there, the technician uses the user's telephone to call his girlfriend. Even though the technician solves the problem, the call lasts the entire time the technician is at the user's desk. Which of the following mistakes did the technician make? The technician should have directed the user to the network software's documentation on the internet. The technician should have sent the user instructions in an email. The technician should have used a remote assist application instead of visiting her desk. The technician should not have used the user's telephone for a personal call.

The technician should not have used the user's telephone for a personal call.

A Help Desk technician receives a call from a user who is unable to download new messages from the company's email server. The technician tells the user to open a command prompt, ping the email server, and check the SMTP and POP3 server IP addresses. Which of the following mistakes did the technician make? The technician used jargon that the user probably didn't understand. The technician did not walk to the user's desk and conduct the tests for the user. The technician had a negative attitude and failed to take notes. The technician did not have the user check the workstation's IP address first.

The technician used jargon that the user probably didn't understand.

Which of the following statements are true regarding power supply wattage? (Select TWO). The watt rating indicates how much power can be supplied to various devices. The lower the wattage rating, the more amps a power supply can deliver. The wattage requirement for each individual circuit uses formula W = V x A. A system's wattage requirement equals the highest wattage requirement for a single individual circuit. A system's wattage requirement does not depend on the amount of devices in the system.

The watt rating indicates how much power can be supplied to various devices. The wattage requirement for each individual circuit uses formula W = V x A.

Which of the following is a characteristic of extended partitions? They can be set to active. They are subdivided into logical drives. There can be multiple extended partitions per drive. They are bootable.

They are subdivided into logical drives.

Your company has decided to use only SATA drives in their systems. Which of the following is true of MOST newer SATA drives? They can be added to or removed from a system without shutting down the computer, but they must be enabled from Device Manager. They can be added to or removed from a system without shutting down the computer. They can be plugged into a system without shutting down the computer, but not removed without shutting down. After you install the latest driver from Device Manager, they can be added to or removed from a system without shutting down the computer.

They can be added to or removed from a system without shutting down the computer.

You work for a large company that has over 1000 computers. Each of these computes uses a wireless mouse and keyboard. Therefore, your company goes through a lot of alkaline batteries. When these batteries can no longer power the intended device, you must decide what to do with them. Unless otherwise dictated by your local authorities, which of the following would be the EASIEST way to deal with these batteries? They can be thrown in the trash. They can be recharged. They must be stored onsite until they expire. They must be sent to hazardous waste collection.

They can be thrown in the trash.

Your company has a plan in place to upgrade each employee's laptop computer to a newer model every three years. As a result, you often have old laptop batteries. Unless otherwise dictated by your local authorities, which of the following is the BEST way to deal with these types of batteries? They can be thrown in the trash. They must be stored on-site until they expire. They must be recycled. They can be recharged.

They must be recycled.

Which of the following processor features used is MOST likely to dynamically reduce power consumption based on current operating conditions? Hyper-threading Multi-core Throttling Caching Overclocking

Throttling

What is the purpose of an MSDS? To document how to safely handle and dispose of hazardous materials. To prevent dust from accumulating on electrical equipment. To protect service technicians from large voltages. To monitor the potential for electrostatic discharge.

To document how to safely handle and dispose of hazardous materials.

You need to trace the route that a Cat 6 UTP cable takes through the ceiling and walls of your building. Which tool should you use? Cable tester Tone generator Loopback plug Multimeter

Tone generator

A maintenance worker accidently nicks a bundle of network cables routed to multiple wall jacks in a conference room. Only one of the cable's wires are severed. A technician is tasked with replacing the cable. Which of the following tools would the technician MOST likely use to identify which wall jack connects to the severed cable? Loopback plug Cable stripper Multimeter Tone generator and probe

Tone generator and probe

What type of peripheral device is typically found on a laptop computer and allows the user to control the cursor with a finger? Touch pad Scanner Mouse Motion sensor Gamepad

Touch pad

Which of the following is considered an input device? Hard disk Monitor RAM Touchscreen

Touchscreen

You are in the process of purchasing several new computers to replace broken or outdated computers. After much research, you have determined to purchase computers that use AMD sockets. Which of the following BEST describes an AMD and why you would select this option? (Select TWO). Typically, AMD chips are less expensive. Typically, an AMD uses a land grid array (LGA) socket type. Typically, an AMD uses a Pin Grid Array (PGA) socket type. Typically, an AMD has a larger market share. Typically, an AMD uses numbers to represent the number of pins on the socket.

Typically, AMD chips are less expensive. Typically, an AMD uses a Pin Grid Array (PGA) socket type.

Which of the following (1 BEST describes the technology designed to replace the BIOS and (2 is a firmware solution for controlling the startup process and loading the computer operating system into memory? CMOS UEFI BIOS 2 EEPROM

UEFI

Your company resides in an area with rapid growth in both the corporate and residential areas surrounding your office. As such, your company has been experiencing several brownouts due to power grid problems (too much demand and not enough electricity). Fearing that your computers (especially the servers) could be damaged by these brownouts, your manager has asked you to find a solution to this problem. Which of the following would be the BEST device to recommend to your manager for computer protection? UPS GFCI Power strips Surge suppressor

UPS

You are an IT technician for your company. As part of your job, you must manage and support a wide variety of devices. Which of the following is the MOST common interface for peripheral devices? PATA FireWire USB Serial

USB

Which of the following standards provides data transfer rates up to 480 Mbps with a maximum cable length of 5 meters? IEEE 1394 RS-232 IEEE 1284 USB 2.0

USB 2.0

For which type of device will you typically install the driver before you connect the device to your system? Plug-and-play devices USB devices Hot swappable devices Firewire devices

USB devices

You have just finished installing Windows on a system that contains four physical hard disks. The installation process has created a system volume and a C: volume on the first disk (Disk 0). The installation process also initialized the second disk (Disk 1) and the third disk (Disk 2), but did not create any volumes on these disks. Which of the following would you expect to see as the status of Disk 1 and Disk 2? Unallocated Unreadable Unavailable Initializing Formatting Healthy

Unallocated

A laptop that you previously purchased was shipped with SODIMM memory to accommodate the laptop's form factor. You would now like to upgrade the memory. Which of the following is an upgrade to the SODIMM standard? SODIMM2 DDR4 UniDIMM DDR3

UniDIMM

You have been using the same computer for several years. To extend its service life, you decide to upgrade the processor. You check the motherboard documentation and purchase the fastest processor supported by the motherboard. However, when you start the computer, it beeps regularly, nothing is displayed on the screen, and it doesn't start. While troubleshooting this computer, which of the following would be BEST to try first? Press F8 while booting the computer. Update the UEFI firmware. Upgrade the motherboard. Return the CPU for a new one.

Update the UEFI firmware.

You have an extra disk on your system that has three primary partitions and an extended partition with two logical drives. You want to convert the partitions to simple volumes, preferably without losing any data. Which of the following is the BEST step to perform? Upgrade the disk to a dynamic disk. Run the fixboot command to convert the partition type to GPT. Run the convert command. Delete the partitions and re-create them as simple volumes.

Upgrade the disk to a dynamic disk.

Your computer currently uses a 5,400 RPM hard disk. You want to improve your computer's overall performance by optimizing your hard disk performance. Which of the following would be the MOST effective means for optimizing your hard disk performance? (Select TWO). Upgrade to a 10,000 RPM hard disk. Upgrade to a 7,200 RPM hard disk. Upgrade your hard disk interface to SATA 2. Implement RAID 0 on the current hard disk. Upgrade your hard disk interface to SATA 3. Upgrade your hard disk interface to eSATAp.

Upgrade to a 10,000 RPM hard disk. Upgrade your hard disk interface to SATA 3.

Your motherboard has two memory slots and supports a maximum of 8 GB of RAM. You are using a 32-bit version of Windows. After installing two 4 GB modules and booting your system, you find that Windows only recognizes 3.5 GB of RAM. Which of the following would MOST likely fix this issue? Upgrade to a 64-bit version of Windows. Make sure that both modules are seated properly in their slots. Change the memory timings in the BIOS to a slower (higher) setting. Reboot the computer and run memory diagnostic tests on the memory. Return both modules for a replacement.

Upgrade to a 64-bit version of Windows.

You have a desktop computer that uses a 250-watt power supply. You recently added a four-disk RAID 10 array to the system, and now it spontaneously shuts down. Which of the following would MOST likely rectify this issue? Use the switch on the power supply to switch from 115 VAC to 230 VAC. Upgrade to a power supply that provides more volts. Upgrade to a power supply that provides more watts. Upgrade to smaller capacity hard drives.

Upgrade to a power supply that provides more watts.

Your system crashes at various times: sometimes on startup, sometimes when running a software application, sometime when a certain group of applications is running. You suspect a malfunctioning CPU, but none of the common issues seem to be present. You have not configured overclocking. There is no overheating. The CPU is seated correctly and locked into its socket. What can you do to definitively determine if the CPU is causing the system crashes? Replace the suspect CPU with a known good CPU of the same make and model. Throttle the processor to reduce the operating frequency and minimize power consumption. Downgrade to a CPU that has fewer cores and is less demanding on your system resources. Switch to a comparable CPU from a different manufacturer.

Replace the suspect CPU with a known good CPU of the same make and model.

You work for a company that provides technical support for customers. One customer calls wanting to know how to adjust their monitor so they can have the sharpest and most detailed images, words, and icons. Which Control Panel setting should you adjust to BEST meet the customer's needs? Resolution Color depth Refresh rate Ease of access

Resolution

Your company has decided to hire a full-time video editor. You have been asked to find a system with the level of display quality needed by someone who will be working with video all day. Which of the following video related specifications will have the greatest impact on display quality? (Select TWO). Display connector type Resolution Refresh rate Memory GPU configuration

Resolution Refresh rate

Which documents are generally finished and approved before a project begins? (Select THREE.) Change order form Resource allocation documentation Budget Project plan

Resource allocation documentation Budget Project plan

For a special project, you have been asked to recommend the lowest profile desktop computers available. You are attempting to put together the specifications for these machines. Which of the following types of cards are attached to the motherboard to allow expansion cards to plug into them instead of the motherboard? PCMCIA VESA Local Bus Riser Communications and Networking Riser

Riser

You are trying to help a co-worker order a UPS for each PC in her remote office location. What rating is used to specify the size of a UPS? Watts Volts Volt/ohm VA

VA

You have just installed a new hardware device, upgraded the driver, and installed the custom software that came with the device. Now you can't get the device to work. Which of the following troubleshooting steps is the BEST to try first? Try installing the device in another system. Run any diagnostic software that came with the device. Remove and then reinstall the device. Install the drivers that came on the installation CD.

Run any diagnostic software that came with the device.

You are building a new computer and want to purchase a motherboard that has integrated sound with digital audio output. Which of the following ports would you MOST likely find on the motherboard faceplate that indicates digital audio support? F-type Mini-TRS S/PDIF DB-15 Mini-DIN

S/PDIF

You are building one of your customers a home theater PC (HTPC) to connect to an HDTV and high-definition audio system. The customer is going to be playing mostly Blu-ray movies on the system. Which of the following features should the sound card include? (Select TWO). S/PDIF output Dolby Digital, DTS support, or SDDS support Line-level in port MIDI support IEEE 1394 port

S/PDIF output Dolby Digital, DTS support, or SDDS support

Which interface is primarily used for internal hard drives in modern desktop PC systems? Firewire PATA SCSI USB SATA

SATA

Which of the following is the most common disk interface used for optical drives on home and office computers? SATA SCSI Parallel port IDE/EIDE (ATAPI) Sound card (proprietary)

SATA

Which generation of SATA storage devices does the following? Supports up to 6 Gbps data transfer rates Addresses solid state drives SATA2 eSATAp SATA3 SATA eSATA

SATA3

What is the role of the CMOS in a modern computer? Tests hardware during system startup. Saves information about system devices. Coordinates the use of system hardware with the operating system. Loads the operating system into memory.

Saves information about system devices.

Which of the following is most helpful in keeping a computer cool? (Select TWO). Remove a slot cover from the back of the computer. Vacuum dust from the system regularly. Verify that cooling fans are not circulating air in the wrong directions. Install a thermostat in the fan circuit. Use a high-wattage power supply.

Vacuum dust from the system regularly. Verify that cooling fans are not circulating air in the wrong directions.

You work at a computer repair store. You just upgraded the processor (CPU) in a customer's Windows-based computer. The customer purchased the latest AMD Phenom II processor, and you installed it in the computer. When you power the computer on, you only see a blank screen. Which of the following is MOST likely causing the computer displaying a blank screen? (Select TWO). The power connector for the fan was not connected to the motherboard. The CPU is not supported by the BIOS. The CPU is bad. Someone unplugged the computer without performing a proper shutdown first. The heat sink and fan were not installed correctly.

The CPU is not supported by the BIOS. The CPU is bad.

You have just finished replacing the motherboard in your friend Ethan's computer with the same type of motherboard it originally had. You tested the motherboard by powering it on and verifying that the operating system started, and his applications were working. Now Ethan is complaining that his computer no longer recognizes his external hard drive. Which of the following is MOST likely causing the external hard drive not to function? The USB front panel connector was not properly connected. Ethan's hard drive has failed. The computer's power supply was not connected properly. The replacement motherboard does not support external hard drives.

The USB front panel connector was not properly connected.

A user has called to complain that her computer won't boot. It stops on the system startup screen right after the memory has been tested and displays a 301 keyboard error. Which of the following troubleshooting steps is the BEST to try first? Install a new keyboard on the computer. Have the user remove all memory modules and replace them one at a time until the error reoccurs. Download and install the latest keyboard driver from the manufacturer's website. Verify that no keys are being pressed down during POST. Check your keyboard settings in Control Panel. Verify that the latest UEFI firmware updates have been applied.

Verify that no keys are being pressed down during POST.

The marketing department has hired a new employee. Prior to the new employee's first day at work, you have set up and configured a new laptop computer. The computer and all of the peripherals were purchased from the same vendor. After the new employee begins work, you receive a phone call stating that the wireless mouse is not working. Which of the following is the MOST likely reason the mouse isn't working? The USB mouse driver is too old for the current mouse. The USB mouse is not a wireless mouse and needs to be plugged into the computer. The USB mouse is malfunctioning. The USB mouse receiver is not plugged into the computer.

The USB mouse receiver is not plugged into the computer.

Which of the following is true about primary partitions? The active partition must be a primary partition. You can have a maximum of three primary partitions on a single disk. Primary partitions are subdivided into logical drives. Primary partitions exist on dynamic disks.

The active partition must be a primary partition.

What does occasional beeping from the UPS mean? The UPS battery is no longer able to hold a charge. The computer is running on the UPS battery power. The UPS is not connected to the computer. The computer is about to shut down. The power reserve in the UPS battery is critically low.

The computer is running on the UPS battery power.

You have installed a device in your system and the system does not recognize the device. Which of the following BEST describes why the device was not discovered? The device driver was installed before the device was installed. The device does not support plug and play. The device connects to the USB bus. The device does not require a driver.

The device does not support plug and play.

Your company has just upgraded your laptop computer. After receiving your new computer, you plug your external USB 2.0 hard disk into your new USB 3.0 port. Which of the following is the MOST accurate statement regarding how this device will function? The device will work, but will only transfer at USB 2.0 speeds. The device will require an external power source. The device will be able to transfer at USB 3.0 speeds. The USB 2.0 device will not work in the USB 3.0 port.

The device will work, but will only transfer at USB 2.0 speeds.

Your system volume is running out of disk space. You need to extend the system volume to give it more space. Which of the following conditions MUST be met to extend the system volume? (Select TWO). The disk must have contiguous free space on the same disk. The system volume must be on a dynamic disk. The volume must be spanned to use disk space on a different disk. The system volume must formatted with NTFS. The system volume must be on a basic disk.

The disk must have contiguous free space on the same disk. The system volume must formatted with NTFS.

You have just added a brand new hard disk to your Windows-based computer. When you power on the computer, the disk is not shown in File Explorer. To troubleshoot this issue, you open the Windows Disk Management console and see that the disk is present, but is shown as Unknown. Which of the following disk management steps is MOST likely required first? The disk needs to be formatted. The disk needs to be wiped. The disk needs to be initialized. The disk needs to be partitioned.

The disk needs to be initialized.

You are installing an updated driver for a hardware device on your system. A dialog box displays indicating that Microsoft has digitally signed the driver you are installing. What benefits does driver signing provide? (Select TWO.) The driver file has not been altered. The driver being installed is the most recent driver available. The driver being installed is compatible with 32- and 64-bit versions of Windows. The driver will not interfere with other devices on the system. The driver has been tested by Microsoft.

The driver file has not been altered. The driver has been tested by Microsoft.

You work at a computer repair store. You just upgraded the processor (CPU) in a customer's computer. The computer starts, but it shuts down shortly after starting Windows. Which of the following is MOST likely causing the computer to automatically shut down? The CPU is not supported by the BIOS. The fan has no power. The computer has a virus. The CPU is bad.

The fan has no power.

What are the disadvantages of plasma display technology (Select TWO)? The gasses inside the cells are sensitive to air pressure fluctuations. Plasma displays consume less than two to three times as much power as LCDs. Plasma displays usually display colors less accurately than LCD displays. Plasma displays have low contrast and cannot produce true black. They generate much more heat than other display types.

The gasses inside the cells are sensitive to air pressure fluctuations. They generate much more heat than other display types.

Match the LCD type with the feature/benefit/characteristic: WLED - White LED Full-array WLED RGB-LED CCFL The least expensive, thinnest, most widely used type of LCD: Able to dim specific regions of the screen: Superior accuracy -- most expensive type of backlighting technology: Produces better colors than WLED, but consumes more energy:

The least expensive, thinnest, most widely used type of LCD: WLED - White LED Able to dim specific regions of the screen: Full-array WLED Superior accuracy -- most expensive type of backlighting technology: RGB-LED Produces better colors than WLED, but consumes more energy: CCFL

Which of the following are true regarding a dual-channel memory bandwidth configuration? (Select TWO). Only DDR2 memory is supported. The memory controller must support dual-channels. Bandwidth is increased by 5-15%. Bandwidth is doubled.

The memory controller must support dual-channels. Bandwidth is increased by 5-15%.

For several years, the monitor on your laptop has worked perfectly. However, shortly after turning on your laptop today, you noticed a definite dimness. Which of the following is the MOST likely cause? (Select TWO). The monitor's hertz rate is set too high. The brightness level was automatically reset to the default settings. The monitor's inverter has gone bad. The monitor's resolution was automatically reset to the default settings. The power adapter was accidently unplugged.

The monitor's inverter has gone bad. The power adapter was accidently unplugged.

When you try to boot your computer, it hangs after POST. When you access the UEFI setup program, you see that the date is several years behind, and the time is set to 12:01 a.m. Which of the following is the MOST likely cause of this behavior? The UEFI firmware is outdated. The motherboard battery has failed. A RAM module has become unseated from its socket. The UEFI firmware is corrupt.

The motherboard battery has failed.

Lately, your computer is spontaneously shutting down after only a few minutes of use. What is the likely cause? (Select TWO). The CPU is not supported by the BIOS. The power connector for the fan was not connected to the motherboard. The CPU is bad. The heat sink and fan were not installed correctly. Someone unplugged the computer without performing a proper shutdown first.

The power connector for the fan was not connected to the motherboard. The heat sink and fan were not installed correctly.

A customer has brought a computer in to be repaired. He said he thinks that the sound card has stopped working because no audio is produced when music, video, or DVDs are played. Which troubleshooting step should you take first? (Select TWO.) Verify that no IRQ or I/O port address conflicts exist between the card and other devices in the system. Verify that speakers are plugged into the correct jack and are powered on. Download and install the latest sound card drivers. Replace the sound card with a known good spare. Verify that the volume isn't muted.

Verify that speakers are plugged into the correct jack and are powered on. Verify that the volume isn't muted.

A few of your employees have complained that their computers sometimes shut down spontaneously. You have noticed that these employees all work in a part of the building where the air condition does not adequately cool the room. These employees also use CPU-intensive programs. You suspect that the spontaneous shutdowns are caused by overheating. Which of the following is the SIMPLEST way to monitor the temperature of the computer's CPU? Placing a thermostat on the CPU. Touching the PCs with your hand or fingers. Placing a thermostat on the PC at the warmest location. Viewing the temperature from within the BIOS.

Viewing the temperature from within the BIOS.

You have a desktop computer that you want to upgrade. You add several internal components and external components. You realize that you need to ensure that your power supply can support all of the new devices. Which of the following power supply ratings BEST describes the rating used to determine this? AC voltage rating Resistance rating Watt rating DC voltage rating

Watt rating

When do you need to upgrade the system BIOS? Whenever the BIOS settings need to be modified. Whenever you add a new peripheral device, such as a keyboard, mouse, or printer. Whenever you install a new hard disk drive. Whenever a BIOS update provides functionality that is not currently supported, but is required by the operating system or hardware.

Whenever a BIOS update provides functionality that is not currently supported, but is required by the operating system or hardware.

In which of the following situations would driver rollback be the BEST tool to use? You accidentally deleted several important emails from Outlook and need to restore them. You need to restore several driver files that were accidentally deleted. You recently installed a new application, and now the system behaves erratically. You recently installed a new video driver, and now the system behaves erratically.

You recently installed a new video driver, and now the system behaves erratically.

Which of the following conditions would prevent you from using a GUID Partition Table (GPT) when setting up a disk drive? You're setting up the drive to boot Windows 10 on a computer that uses traditional BIOS. You need to be able to create up to 128 partitions on the drive. You're setting up the drive to boot 64-bit Windows 7 on a UEFI-based computer. You need to set up the drive as a dynamic disk.

You're setting up the drive to boot Windows 10 on a computer that uses traditional BIOS.

Which of the following utilities checks the disk for bad clusters? chkdsk defrag format fdisk

chkdsk

Which of the following utilities would you use to correct cross-linked clusters within the file system on a Windows workstation? DiskScan attrib chkdsk fdisk

chkdsk

You have used your computer for several months without any issues. Recently, you have noticed that when you perform specific actions or open certain files, your computer crashes, and programs sometimes freeze. You suspect that hard disk issues are the cause. Which of the following tools would BEST verify and fix disk errors? chkdsk Bootrec.exe format DiskPart

chkdsk

You are an IT administrator troubleshooting a computer from within the Windows command prompt. You are trying to execute the chdsk command line tool, but it keeps failing. Which of the following command switches would give you the BEST information or help on how to run this command? chkdsk /i chkdsk /info chkdsk /help chkdsk /?

chkdsk /?

You want a storage device that has the ability to: Integrate data and device power into a single cable. Use a connector and port that is neither L-shaped nor rectangular. Which of the following SATA devices is the BEST to use? SATA eSATAp SATA3 eSATA SATA2

eSATAp

You have physically installed a new hard disk drive in your computer, configured the disk in the BIOS using the CMOS setup program, and partitioned the disk. You try to access the hard disk drive in Windows Explorer, but get an error message. Which utility will you most likely use to solve the problem? sfc fdisk format chkdsk

format

You are in the process of installing a motherboard in a system case. Which of the following objects should you place between the motherboard and the system case? Standoffs Support manual Passive heat sink Heat spreaders Fans

Standoffs

You have responded to a call from a customer who is having problems with his computer. After troubleshooting the problem, you discover the switch on the power strip was off. After switching it on, all of the components and their functionality return to normal. Which of the following is the BEST way to explain the solution to the customer? "That was probably the easiest problem I've ever fixed. I am surprised you had to call in. Thanks for making my day! All I had to do was flip this little switch. You're good to go." "I found this power strip switch in the off position. Now that it's on, it looks like everything is working. It appears as though that was the problem. Can you confirm that the problem has been resolved?" "Next time you need to call, check this power strip switch. It was turned off. That's why nothing worked. If I were you, I would have checked this first and saved both of us time." "All I did was flip the power strip switch on. You probably bumped it by accident. And that accident just cost you about $80. But don't feel bad, accidents happen to everyone. Although, this one could have been easily avoided."

"I found this power strip switch in the off position. Now that it's on, it looks like everything is working. It appears as though that was the problem. Can you confirm that the problem has been resolved?"

A computer's power supply converts mains AC to low-voltage regulated DC power for the internal components of a computer. You are building a new computer. You are deciding which type of power supply to install. Which of the following definitions BEST describes a valid type of power supply? A single-rail power supply provides one rail (PCB trace). This provides the best safety for the computer by providing a single point of shutdown in the event of a short circuit. A dual-rail power supply provides separate rails (PCB traces) used to balance the power load between multiple circuits, which prevents any one circuit from becoming overloaded. A dual-rail power supply provides separate rails (PCB traces) used to provide equal wattage to the devices attached to each rail. A single-rail power supply provides one rail (PCB trace) used to always provide equal wattage to all devices attached to the power supply.

A dual-rail power supply provides separate rails (PCB traces) used to balance the power load between multiple circuits, which prevents any one circuit from becoming overloaded.

Ida, one of the employees in the sales department, needs a way to display her PowerPoint sales presentation to a large group of potential customers. She has asked you to set up the conference room in preparation for her presentation. You will need to purchase a display system for the conference room. Which of the following display systems would be the BEST to purchase? A large screen and a projector A large LCD monitor A large OLED monitor A large Plasma monitor

A large screen and a projector

Match the system resources on the left with the descriptions or examples on the right. The system resources may be used once, more than once, or not at all. IRQ (Interrupt Request) DMA (Direct Memory Access) I/O address Device driver Allows two devices in a computer to send information to each other: The method used by different system devices to interact with the CPU: Conduits used by high-speed devices to bypass the CPU and communicate directly with RAM: Allows a device to request processing time from the CPU: Each device in a computer must have its own:

Allows two devices in a computer to send information to each other: I/O address The method used by different system devices to interact with the CPU: IRQ (Interrupt Request) Conduits used by high-speed devices to bypass the CPU and communicate directly with RAM: DMA (Direct Memory Access) Allows a device to request processing time from the CPU: IRQ (Interrupt Request) Each device in a computer must have its own: I/O address

You are in the process of purchasing several new Windows-based computers to replace broken or outdated computers. You have heard that solid state drives (SSDs) can significantly increase the overall performance of the system. Which of the following BEST describes the features of solid state drives (SSDs) compared to hard disk drives (HDDs)? (Select TWO). SSD spindles spin at a faster rate than HDD. An SSD opens files faster than an HDD. An SDD has the best Mean Time Before Failure (MTBF). An SSD uses flash technology to store data. An SSD can be adversely affected by magnetism. An SSD stores a large amount of storage cheaply.

An SSD opens files faster than an HDD. An SSD uses flash technology to store data.

After working without problems for a couple of years, your computer has begun to lock up. You suspect that it is a thermal issue, but you can't find any component that is not functioning correctly. You have not replaced the CPU or installed any new devices. The CPU cooling fan and the power supply fan are working properly. The lock-ups are happening with increasing frequency. Which of the following is the MOST common condition that might explain these symptoms? An accumulation of dust has gradually built up. The BIOS has never been flashed and has gotten more and more out of date. The power supply has been switched to the wrong voltage setting. The internal temperature sensor is beginning to malfunction intermittently.

An accumulation of dust has gradually built up.

You are an IT technician for your company. A coworker calls your department and asks for help fixing his malfunctioning internal Blu-ray drive, which he installed himself. When you arrive, you unplug and then open the employee's computer. As you begin to examine his computer, the employee begins to describe the steps he has taken to install and troubleshoot the issue on his own. You examine all of the connectors and discover that the employee forgot to connect the Blu-ray drive's power cable. Your initial thought is, "How stupid can this guy be?" but you restrain from making any comments. At that moment, another coworker calls your cell phone. The ringing of the phone distracts your thoughts, and while the owner of the computer is still explaining the troubleshooting steps already completed, you quickly connect the power to the device and close the computer. A quick test determines that the device is now working. Which of the following professionalism principles is the technician failing to follow? (Select TWO). Avoiding being judgmental Argue with customers and/or be defensive Actively listening Talking to coworkers while interacting with customers

Avoiding being judgmental Actively listening

You have decided to install a new Ethernet network adapter in your Windows 10 desktop computer. After installing the card and booting to Windows, you notice that you have no network connection. After looking in Device Manager, you see that the new network card was detected, but Windows doesn't know what it is. After doing a quick search on the internet, you find what looks like the correct driver and install it. A reboot of Windows is performed, but almost immediately after logging on, your computer crashes. Thinking this must be a fluke, you reboot again with the same result. Which of the following is the BEST tool to get Windows to load properly? Boot from the Windows installation DVD and run Start-up Repair. Boot to the computers BIOS/UEFI settings and uninstall the network driver. Boot from the Windows installation DVD and restore your computer back to a previous restore point. Boot to Safe Mode and uninstall the network driver.

Boot to Safe Mode and uninstall the network driver.

You work as the IT administrator for a small corporate network. Sam, an employee in the support department, wants to run a virtual machine on his computer to troubleshoot customer issues from, and he needs a very stable computer from which to work. You need to decide whether to install buffered or non-buffered RAM in his computer. Which of the following BEST describes the reason to choose buffered instead of unbuffered memory for this new computer? Buffered memory increases the load on the memory controller, but is faster and more stable. Buffered memory is faster and less expensive. Buffered memory reduces the load on the memory controller, but due to the extra clock cycle used, is less stable. Buffered memory reduces the load on the memory controller and allows the system to be more stable.

Buffered memory reduces the load on the memory controller and allows the system to be more stable.

Which of the following will ensure optimal system cooling? (Select THREE). Bundle cables together and secure unused cables to the case. Stack hard drives next to each other. Remove the side panel on the case. Remove unused expansion slot covers to increase air flow. Leave space between the case and any walls or obstructions. Keep the ambient temperature below 80° F.

Bundle cables together and secure unused cables to the case. Leave space between the case and any walls or obstructions. Keep the ambient temperature below 80° F.

A customer would like you to install a high-end video card suitable for gaming. Your installation and configuration SHOULD include which of the following? (Select THREE). Disable the integrated graphics in all cases so they do not interfere with the new video card. Configure the PC to use the integrated graphics if available and needed. Disable power to the integrated graphics. Ensure that the video card is compatible with the expansion slot. Add additional RAM to your computer to accommodate the new card's demands. Install new the video drivers from CD and then install updated drivers from the internet. Link the integrated graphics to the new high-end video card using the bridge clip.

Configure the PC to use the integrated graphics if available and needed. Ensure that the video card is compatible with the expansion slot. Install new the video drivers from CD and then install updated drivers from the internet.

You are installing a high-end PCIe x16 video card in a new computer. The video card has connectors for two displays. The card also has dual fans to cool the unit. Which of the following will MOST likely be part of the installation? Connect a 6- or 8-pin power connector to the video card. Enable the motherboard's integrated graphics in the BIOS. Enable the video card's second monitor connector in the BIOS. Connect a CrossFire bridge cable to the video card.

Connect a 6- or 8-pin power connector to the video card.

One of the users in your company notices some strange behavior on his computer. After describing what is being seen, you do a little research and determine that the best course of action is to update the UEFI firmware. Before performing the upgrade, if possible, which of the following is the BEST action to take? Password protect the system. Change the motherboard battery. Connect the computer to a UPS. Upgrade the processor.

Connect the computer to a UPS.

You just replaced the motherboard, CPU, and memory in your computer. Now your computer will not start. You press the power button on the system case, but nothing happens; there are no sounds or lights. What should you do? Connect the power button to the motherboard. Make sure the memory is properly seated. Make sure a keyboard and mouse are plugged in. Connect the processor fan to the motherboard.

Connect the power button to the motherboard.

Which of the following terms describes the difference between white and black in an LCD monitor? Brightness Aspect ratio Resolution Pitch Contrast ratio

Contrast ratio

You are running Windows 10 on your computer. You want to decrease the time it takes to write data to your drives. To do this, you have decided to create a Windows software RAID system using a striped volume. Before you create the striped volume, which action MUST you take? Format your disks to use GPT partitions. Convert basic disks to dynamic disks. Use a multi-partition volume on a basic disk. Format your disks to use MBR partitions.

Convert basic disks to dynamic disks.

You are a PC technician for a company. An employee needs you to install some software on his computer over his lunch break. When you log on to the computer, you notice the employee's desktop has so many shortcuts and files that you can hardly see the desktop background. Which of the following actions should you take? Move the shortcuts into a single folder, and then look at each file and organize them into folders based on their contents. Create a folder named "Clutter" and move everything from the desktop into it. Then tell the employee they should organize what is in that folder. Install the software and leave the employee's computer exactly how you found it. Delete all the shortcuts and move all the files into a single folder on the desktop, and then inform the employee what you did.

Install the software and leave the employee's computer exactly how you found it.

Which of the following is a benefit of good documentation? It saves time and money in troubleshooting problems. It eliminates the need to troubleshoot problems. It reduces hardware maintenance. It reduces hardware replacement requirements.

It saves time and money in troubleshooting problems.

Why are plasma displays smaller than 32 inches not typically sold? Smaller than 32 inch displays tend to suffer more from image retention and screen burn-in. Plasma technology needs larger sizes for performance. There are problems with proper gas ionization in the smaller cells. It would be too cost prohibitive to manufacture plasma screens under 32 inches.

It would be too cost prohibitive to manufacture plasma screens under 32 inches.

You have three computers in your office. You would like to reduce the time it takes to move from one computer to the next, and you would like to use only one keyboard, one monitor, and one mouse for all three computers. Which of the following devices BEST allows this type of setup? USB hub KVM Router DVI

KVM

You are an IT professional that works with home users. One of your customers works from home and uses multiple Windows computers as well as an Apple Mac computer. Your customer wants to be able to switch between his computers without changing the keyboard and monitor currently in use. Which of the following devices would BEST facilitate sharing his monitor and other input devices with all of his computers? HDMI splitter USB multi-port hub KVM switch VGA splitter

KVM switch

You decided to upgrade your PC with a faster processor. To do this, you ordered a new motherboard over the Internet that supports the processor you want to use. When it arrives, you discover that the motherboard uses the Micro-ATX form factor. Your current case is an ATX mid-tower with a standard ATX motherboard inside. What steps must be taken for the Micro-ATX motherboard to work in the ATX case? No additional steps are necessary, the Micro-ATX motherboard can be installed in the ATX case. Return the motherboard and replace it with an ATX form factor motherboard as the Micro-ATX will not fit without modifying the case. Drill new holes in the ATX case to match the mounting hole pattern in the Micro-ATX motherboard. Drill new holes in the Micro-ATX motherboard to match the mounting hole pattern in the ATX case.

No additional steps are necessary, the Micro-ATX motherboard can be installed in the ATX case.

Which of the following are advantages of solid state storage compared to hard drives? (Select TWO.) No moving parts Inexpensive Lower power requirements Larger storage capacity Proprietary disk interface

No moving parts Lower power requirements

Paul has just joined your company, and you are in the process of purchasing a laptop computer for his use. Paul will work as a sales rep in the sales department. You have heard that some types of RAM are better than others. Which of the following types of RAM would BEST meet the needs of Paul's new computer? ECC memory, as it less expensive than non-ECC memory. ECC memory, as it will increase the computer's performance. Non-ECC memory, as it is less expensive and more reliable than ECC memory. Non-ECC memory, as it is less expensive, and parity is not required.

Non-ECC memory, as it is less expensive, and parity is not required.

Which of the following features should you look for when selecting a vacuum cleaner for your cleaning kit? (Select TWO). Static induction motor Non-static generating Washable filters One that blows as well as vacuums Coarse grade bag

Non-static generating One that blows as well as vacuums

What method does an SD card use for storing data? Magnetic disks and platters Reflective surface and optical readers Magnetic tape Non-volatile memory chips

Non-volatile memory chips

Which of the following components requires special disposal procedures to comply with environmental guidelines? Hard disk drive Notebook battery Video card Motherboard

Notebook battery

You are testing the power supply in a PC system by measuring the voltage available on the 4-pin Molex connector. The voltage on the red wire is +5.1 volts. What should you do? Switch the voltage selector on the back from 220 VAC to 110 VAC. Replace the power supply. Nothing. The power supply is working normally. Disconnect all devices drawing power from the power supply before testing it.

Nothing. The power supply is working normally.

A company is purchasing new laptops for their graphic artist division. Which of the following display technologies provides better contrast and deeper blacks, resulting in better picture quality? LCD Plasma OLED DLP

OLED

Lloyd works for a graphic design company. He needs a monitor that accurately represents colors. Lloyd's monitor recently failed, and you have been asked to purchase a new one. You have been asked to find a monitor with a fast pixel refresh rate, low energy consumption, and very accurate colors representation. Which of the following types of display devices will BEST meet the requirements requested? CRT LCD Plasma OLED

OLED

You have been called in to a customer's site to troubleshoot and fix one of their computers. From the description you received on the phone (prior to coming to their office), you have already given the customer an idea of which component may need to be replaced and how much it would cost to repair. You have been given permission to fix that component at the cost you quoted. When you open the computer and begin troubleshooting, you notice that what you suspected was broken was, instead, working perfectly. The real issue is soon discovered. After checking with your suppliers, you find that the replacement component is less than the component you had intended to fix. Which of the following is the BEST course of action? Obtain authorization before repairing the broken component. Fix the broken component for the agreed price and let the customer think you fixed the other component. Decline to fix the broken component. Fix the broken component and surprise the owner with a lower price than expected.

Obtain authorization before repairing the broken component.

You are the PC technician for a company. You received the following email from an employee: My email doesn't work. I keep getting email sent back to me, and I can't find any of my old emails. I don't think that the email program has ever worked well. When you arrive at the employee's desk, you observe how the employee accomplishes normal email tasks. You quickly determine that the problem is not with the email program, but that the employee needs to learn how to use the program. You have several high-priority tasks that need to be completed by the end of the day. What is the BEST way for you to respond? Set an appointment to train the employee on how to complete common email tasks. Tell the employee to ask their co-workers how to use the program if he come across further problems. Direct the employee to the email program's help utility. Inform the employee that there isn't anything wrong with the program and that he simply does not know how to use it correctly.

Set an appointment to train the employee on how to complete common email tasks.

You have purchased an LED monitor and connected it to the HDMI port on your computer using an HDMI cable. You configure the screen resolution to 1280 x 1024 with 32-bit color. The geometry of the images displayed on the screen appear to be distorted. What should you do to correct the problem? Increase the hardware acceleration setting on the video driver. Use a DVI cable to connect the monitor instead of an HDMI cable. Change the screen resolution to 1400 X 1050. Update the video driver to the latest version. Set the display resolution to the native resolution of the monitor.

Set the display resolution to the native resolution of the monitor.

You have purchased an LED monitor and connected it to the HDMI port on your computer using an HDMI cable. You configure the screen resolution to 1280 x 768 with 32-bit color. The images displayed on the screen appear to be overly large. What should you do to correct the problem? Change the screen resolution to 1280 X 720. Increase the hardware acceleration setting on the video driver. Decrease the color depth of the video driver to 24-bit color. Set the display resolution to the native resolution of the monitor. Use a VGA cable to connect the monitor instead of an HDMI cable.

Set the display resolution to the native resolution of the monitor.

You recently upgraded a client's older workstation from Windows 7 to Windows 10. The client has called to complain that the interface is very slow. For example, after clicking on the Start button, the Start Menu slowly appears on the screen. Which of the following will MOST likely fix this problem without requiring a hardware upgrade? Increase the hardware acceleration settings. Increase the color depth of the display. Increase the resolution of the display. Set the visual effects for best performance.

Set the visual effects for best performance.

You want to set up a Windows system to also be able to boot to Linux. To be able to dual boot, the system needs a partition on which to install Linux. However, you don't have an extra hard disk that can be used for the Linux partition. The existing disk has no unpartitioned space available, but it has about 300 GB of free space. Which of the following disk management operations will BEST prepare your hard disk for dual boot? Reformat the disk with the partitions needed for a dual boot system. Convert the disk from physical partitions to logical partitions. Convert the disk from basic to dynamic. Shrink the primary partition.

Shrink the primary partition.

After arriving at work, you turn on your computer to begin your day. Instantly, you see smoke and smell a strange odor coming from the computer. Which of the following would be the MOST important action to take? Call the IT director. Shut off the system immediately. Open the computer case and look for dust buildup. Log in and check the Event Viewer.

Shut off the system immediately.

Which optical media has the greatest storage capacity? Dual-layer, single-sided DVD Single-layer, single-sided Blu-ray disc Dual-layer, double-sided DVD Compact disc

Single-layer, single-sided Blu-ray disc

Which of the following statements is true regarding single- and double-sided memory? Single-sided memory uses half the number of memory modules as double-sided memory of the same capacity. Double-sided RAM always has modules on both sides of the circuit board. Double-sided RAM allows the computer to access all of the memory. Single-sided RAM can be organized into two banks.

Single-sided memory uses half the number of memory modules as double-sided memory of the same capacity.

On a Windows 10 workstation, you want to use the Storage Spaces feature to create a logical drive. Which of the following components are used to configure Storage Spaces? (Select THREE.) Mirrored data resiliency, which provides storage redundancy. Storage devices, which are physical drives such as SATA drives or external drives. Parity, which allows you to reconstruct data if device failure occurs. Storage spaces, which are logically defined units created from a pool of storage. Thin provisioning, which allows you to allocate more space than is available. Pools of storage, which are logically created from free space on storage devices.

Storage devices, which are physical drives such as SATA drives or external drives. Storage spaces, which are logically defined units created from a pool of storage. Pools of storage, which are logically created from free space on storage devices.

Which of the following are benefits UEFI provides that BIOS does not? (Select three.) Supports drives larger than 2.2 TB. Does not need to be flashed as frequently. Faster startup times. Supports 64-bit firmware device drivers. Provides non-volatile storage of system startup information. Allows individual bytes to be erased and reprogrammed.

Supports drives larger than 2.2 TB. Faster startup times. Supports 64-bit firmware device drivers.

Which of the following devices help protect equipment from temporary, above-normal voltages? Power strip Surge protector Grounding wire ESD grounding strap

Surge protector

Susan works in the research and development department. She has recently purchased a large high-speed external drive and has attached the drive to her computer using a USB cable. Her drive requires a minimum bandwidth of 400 Mbps and at least 900 milliamps (mA) to function. Although the correct drivers are installed, the drive is not functioning. To troubleshoot the problem, she has connected her drive to her coworker's computer where the drive functions properly. No additional cables are required for this drive. Which of the following is the MOST likely reason Susan's external hard drive is not working? Susan has connected her drive to a USB 3.0 port, which does not have enough power for her drive. Susan has connected her drive to a USB 2.0 port, which does not have enough power for her drive. Susan has connected her drive to a USB 2.0 port, which does not support the maximum bandwidth required. Susan has connected her drive to a USB 3.0 port, but the drive is only made to work with a 2.0 port. Susan has connected her drive to a USB 3.0 port, which does not support the maximum bandwidth required.

Susan has connected her drive to a USB 2.0 port, which does not have enough power for her drive.

As you troubleshoot a problem during a customer appointment, you discover the problem is directly related to the customer's actions. Which of the following is the BEST way to address the situation? Explain the problem with abbreviations for well-known components to convey information quickly. Ask the customer, "What did you do to it?" Tactfully explain the problem without accusing or judging the customer. Fix the problem without saying anything, realizing that you'll probably be back to fix the same problem again.

Tactfully explain the problem without accusing or judging the customer.

An employee calls you to demand more RAM for her computer to complete her work tasks. However, you know that her department doesn't have a budget for new equipment. Your supervisor is the only one that has authority to allocate department funds. Which of the following is the BEST way to respond? Tell the employee that she should make do with what she has. Tell the employee that her department doesn't currently have a budget for equipment upgrades, but that you will let your supervisor know about the request so it can be properly determined if new RAM can be acquired. Tell the employee that the best option is for her to purchase new RAM for the computer and bring it to work. Tell the employee that you will get new RAM for their computer as soon as possible.

Tell the employee that her department doesn't currently have a budget for equipment upgrades, but that you will let your supervisor know about the request so it can be properly determined if new RAM can be acquired.

A user reports that he is unable to access data on an external hard drive. You investigate the problem and determine that the USB cable connection to the hard drive is damaged. You replace the cable. Which of the following actions should you take NEXT? Determine if escalation is necessary. Create an action plan. Test the solution. Document the problem and solution.

Test the solution.

A user reports that her monitor has stopped working. While troubleshooting the issue, you discover a bad video card in the system. You replace the card and connect the monitor cable to the card. Which of the following actions should you perform NEXT in your troubleshooting strategy? Explain what you did to fix the problem. Implement preventative measures. Test the solution. Document the solution.

Test the solution.

Which of the following BEST describes the purpose for which loopback plugs are used? Testing ports by returning output signals as input. Removing broken pins within sockets. Grabbing and lifting small objects. Connecting computers together without using network cards or modems.

Testing ports by returning output signals as input.

An employee complains that every time they turn their computer off, the computer's time is set to 12:00 p.m., and the date is set back to January 1, 1990. Which of the following is the MOST likely cause of this anomaly? The CMOS settings are not being saved before powering off the computer. The CMOS chip is failing. The CMOS battery has failed. The CMOS chip on the motherboard is loose.

The CMOS battery has failed.

When you boot the computer, it hangs after asking you for the current time and date. What is the most likely problem? The computer needs more RAM. The CMOS battery has failed. The BIOS is outdated. Daylight Savings Time has started or ended.

The CMOS battery has failed.

A user installs a new graphics application on her Windows system. During the installation process, the application prompts the user to load a custom video driver that has been optimized for the application. She does so and then completes the installation. Several days later, the user reports that her display doesn't seem to be working properly under some conditions. To fix the problem, you need to reload the old video driver. Which of the following actions are the BEST choices? (Select TWO). Boot from the Windows installation media and select the Startup Repair option. Use Device Manager to roll back the video driver. Revert the system to a restore point prior to installing the video driver. Use Device Manager to disable the video driver. Boot to advanced startup menu and select Last Known Good Configuration.

Use Device Manager to roll back the video driver. Revert the system to a restore point prior to installing the video driver.

You are an IT technician for your company. One of your employees has a computer that continually reboots when it is powered on. He has asked you to fix it. You suspect that the power supply may be failing. Which of the following is the BEST way to determine whether the power supply is causing the reboots? Replace the power supply. Listen for POST code beeps to determine the error's cause. Use a multimeter to test the power supply. Verify that the fan on the power supply is spinning.

Use a multimeter to test the power supply.

You work as the IT administrator for a small corporate network. One of the company employees needs to add an additional PCI card to the motherboard. When you open the computer, you see that the card purchased will not fit due to the card's height. Which of the following is the BEST method for using the newly purchased card? Use an expanded case to accommodate the height of the newly purchased card. Use a riser card to allow the new card to be installed parallel to the motherboard. Use a parallel card to allow the new card to be installed parallel to the motherboard. Use a firewire card to allow the new card to be installed parallel to the motherboard.

Use a riser card to allow the new card to be installed parallel to the motherboard.

You are building a new computer from both new and used parts. The video card is a PCIe video card that requires an 8-pin power connector. However, your power supply doesn't have an 8-pin PCIe power connector. Which solution would be the least expensive option for your system? Purchase a new video card that does not require a power connector. Use an adapter cable to connect two 4-pin Molex connectors to the 8-pin PCIe connector. Purchase a new power supply with the necessary connector. Connect the 8-pin processor cable to the video card.

Use an adapter cable to connect two 4-pin Molex connectors to the 8-pin PCIe connector.

You need to connect a monitor that provides an HDMI port and a VGA port to a video adapter in a PC system that uses a DVI-D connector. Which of the following options would provide the BEST display quality at the lowest cost? Purchase a new monitor with a DVI-D port. Use an adapter to connect the monitor VGA port to the DVI-D connector on the PC. It's not possible to connect this monitor to this PC. Use an adapter to connect the monitor HDMI port to the DVI-D connector on the PC.

Use an adapter to connect the monitor HDMI port to the DVI-D connector on the PC.

You want to combine storage space from two different hard disks into a single logical storage unit on your Windows computer. Which of the following is the BEST step to perform? Use basic disks and a primary partition. Use dynamic disks and a spanned volume. Use dynamic disks and a simple volume. Use basic disks and an extended partition.

Use dynamic disks and a spanned volume.

You work for a small company as the human resources specialist. Since the company is fairly small, you are maintaining all of the employee information on your desktop computer, which is running Windows 10. This computer has two high-capacity hard disks. You want to ensure that this information is protected from a hard disk failure, so you want to set up a Windows software RAID system. Which of the following would be your BEST solution? Use mirrored volumes. Use RAID 5 volumes. Use spanned volumes. Use striped volumes.

Use mirrored volumes.

Your computer's hard drive is currently formatted as FAT32, but you want to take advantage of the features offered to NFTS drives. Which of the following steps would MOST likely allow you to do this without losing the existing data? Use the convert command at a command prompt. Use the format command with the /p switch. Reformat the drive using Disk Management. In Disk Management, delete the existing partition or volume. Recreate the partition or volume with the same settings and choose NTFS instead of FAT32. Use the format command with the /p switch. Reformat the drive using Disk Management. In Disk Management, delete the existing partition or volume. Recreate the partition or volume with the same settings and choose NTFS instead of FAT32.

Use the convert command at a command prompt.

You have a hard disk that is formatted with the FAT32 file system. You would like to implement file and folder permissions on the Design folder that apply when files are accessed both locally and remotely. Which of the following BEST describe the next step you need to perform? Use Explorer to edit the permissions on the folder. At a command prompt, use the attrib command to configure permissions. Share the folder and then use share permissions to control access. Use the convert command to convert from FAT32 to NTFS and then configure NTFS permissions.

Use the convert command to convert from FAT32 to NTFS and then configure NTFS permissions.

Which of the following Windows command line utilities would you use to realign the file structure on the disk to optimize performance? fdisk defrag chkdsk Disk Management

defrag