1.2-1.3 Testout
Which of the following features are typically available through TRS ports on a sound card? (Select TWO).
Microphone in Speaker out
What type of USB 2.0 connector is shown here?
MicroUSB
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?
"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?"
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).
+/- 5 v +/- 12 v
Which of the following items are likely to be displayed in the notification area of a computer running the Windows operating system? (Select two.)
-The current time. -A volume control.
Match the operating system attribute on the left to the correct description on the right.
1.) Ability to use multiple processing devices 1.a)Multiprocessing 2.)Ability to run multiple applications simultaneously. 2a.)Multitasking 3.)Ability to run multiple parts of an application simultaneously. 3a.)Multithreading
Match the USB connector types on the left with the image labels on the right. (Not all USB connector types will be used.)
1.)USB 2.0 Type-B 2.)microUSB 3.)miniUSB 4.)USB 3.0 Micro-B
How many pins are on a VGA connector?
15
Assuming all other processor specifications are the same, which of the following processor sizes will consume the least amount of power?
32 nm
What is the maximum data transfer speed for USB 3.0 devices?
5 Gbps
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?
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 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 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.
Consider the external ports for a typical PC system (pictured below). Drag the port type on the left to the letter on the right that best identifies it. (Each type can be used once.) A
A- HDMI B- Thunderbolt C- IEEE 1394 D- USB E- VGA F- DVI G- RJ45 H- Rj11 I- Fiber S/PDIF J- Audio Jack
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?
Active heat sink, thermal paste, liquid pipes, and fan
Windows includes a set of features that improves its visual appearance. These features include, but are not limited to: Glass effects Window animations Flip 3D Snap Shake What is this set of features called?
Aero
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.)
Anti-static mat Metal area on the computer case
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?
Ask the customer if it is okay to take the call, and then step into the hallway to briefly talk on the phone.
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?
Avoid dismissing customer problems.
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 Actively listening
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
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-core CPU configured to use hyper-threading.
You have a friend who is offering to sell the monitor and video card from his gaming system along with several PC games. The games have fast-moving graphics, and you want to be able to play them on your own home system. The monitor he is selling is an LCD TN with a 144-Hz refresh rate. The video card he is selling supports a max refresh rate of 144 Hz. You're sure you want to buy the games, but you have a couple of other choices when it comes to the monitor and the video card. The monitor in your current system has a 60 Hz refresh rate. The video card has a max refresh rate of 75 Hz. This configuration has always worked fine for watching videos. You're also looking at new 60-Hz LCD IPS monitors and several high-end video cards with max refresh rates of up to 240 Hz. Which of the following will MOST likely allow you to play the games on your home system with the best gaming experience possible?
Buy your friend's games, monitor, and video card. Swap out both your video card and monitor.
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?
Check the manufacturer website for compatibility information.
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?
Check the vendor's website for an updated driver.
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?
Computer Management
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).
Configure the PC to use the integrated graphics if available and needed. Install new the video drivers from CD and then install updated drivers from the internet. Ensure that the video card is compatible with the expansion slot.
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.
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).
Contact the customer and apologize. Give a realistic timeframe for your arrival.
You are providing telephone support for a user who is trying to connect a computer to a projector. You know that the projector only has a VGA port. How would you describe the connector that the user should look for?
D-shaped with 15 pins
Which component is responsible for converting digital audio into sound that can be played on speakers?
DAC
You are helping a customer over the phone. The customer needs to connect a monitor that uses a digital interface. Which port should you instruct her to look for on the back of her PC?
DVI
The manager of the research and development team needs to make a PowerPoint presentation for her team members (no audio). Her presentation requires her computer to be connected to a large high-definition television. You have been asked to ensure that the computer is connected and functioning properly prior to her presentation. In the process of setting up the computer, you find that the computer video port (see image 1) is different from the port found on the TV (see image 2). Which of the following adapters MUST you use to connect the computer to the TV?
DVI to HDMI
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).
Dolby Digital, DTS support, or SDDS support S/PDIF output
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
Disconnect power.
You have purchased a new LED monitor for your computer. On the back of the monitor, you see the following port (pictured below). Which type of cable should you use to connect the monitor to your computer?
DisplayPort cable
Which of the following BEST describes a key feature of the DisplayPort interface used for connecting video monitors to computers?
DisplayPort can send both video and audio signals over the same cable.
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. 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.
Download them from the chemical manufacturer's websites.
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?
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?
Edit the CMOS settings and enable the onboard sound.
What is your top priority when responding to emergencies and hazardous situations?
Ensure the safety of people in the area.
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.
Consider the cable connectors used by various peripheral devices (pictured below). Drag the letter on the left to the peripheral device on the right that would most likely use the connector type.
External storage device---G Analog monitor--- D Video camera--- C HDTV-- A Dial-up modem--- H Digital monitor (without audio)--- E Network adapter--- F Headphones--- B
Which function does a motherboard's chipset perform?
Facilitates communication between the processor, memory, and peripheral devices.
Which of the following BEST describes the chipset?
Facilitates communication between the processor, memory, and peripheral devices.
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?
Fiber optic
Which Windows tool do you use to browse the file system on a drive?
File Explorer
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?
Find a different outlet that uses three prongs.
Which of the following video card connectors provides digital video output? (Select TWO).
HDMI DVI-D
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?
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).
For the best performance, both video cards should be identical. The motherboard should support either SLI or CrossFire.
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?
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?
HDMI out
Drag the computer function on the left with its associated hardware component on the right. (Each option may be used more than once.)
Hard disk---Long-term storage Printer---Output Keyboard---Input CPU---Processing Speakers---Output RAM---Processing DVD-RW---Long-term storage Microphone---Input
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
Which of the following objects is installed between the back side of the system case and the motherboard's ports?
I/O shield
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.
Ignore the paper and tell no one of its contents.
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.
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?
Install the application normally.
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?
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 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?
Install the software and leave the employee's computer exactly how you found it.
Match the video card types on the left with the appropriate characteristics on the right. Each video card type is used more than once.
Installed in an expansion slot on the motherboard. - Dedicated video cards Has a GPU and a dedicated high-speed video memory bank. - Dedicated video cards Are more powerful and more expensive. - Dedicated video cards GPU is integrated with another hardware component, such as a motherboard or CPU. - Integrated video cards Shares system memory for graphic processing. - Integrated video cards Are much cheaper and less powerful. - Integrated video cards
What is a DB-15 connector on a sound card typically used for? (Select TWO).
Joystick MIDI port
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?
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?
KVM switch
Part of the operating system core is responsible for controlling security, managing the file system, and providing a platform for applications to run on. What is this feature's name?
Kernel
Ensure the safety of people in the area.
Lift with your legs. Bend your knees with your back straight.
Of the following choices, which action could be most physically harmful to you?
Looking into the end of a fiber optic cable.
Which of the following is an advantage of purchasing a motherboard with integrated graphics and audio?
Lower overall system cost
Match each of the motherboard components on the left with the appropriate description on the right. Each component is used once.
Maintains an accurate system time and date, even when the power is off. -CMOS battery Allows additional features and capabilities to be added to the motherboard. -Expansion slots Houses the PCI bus controllers and communicates with the super I/O controller. -Southbridge Contains firmware that is used to configure motherboard settings and initialize devices. -Flash memory Controls communication between the CPU, memory, and high-speed graphics bus. -Northbridge Stores custom configuration settings made by the user. -Non-volatile BIOS memory
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 power cord is plugged into the wall. Make sure the surge protector is turned on.
Which port on a sound card should you connect a non-amplified microphone to?
Mic In
Which of the following refers to placing two processors on a single processor chip or die?
Multi-core
Which of the following is a characteristic of a multi-processor system?
Multiple processor sockets on the motherboard
Which of the following components requires special disposal procedures to comply with environmental guidelines?
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?
Nothing. The power supply is working normally.
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.
Which of the following is the term used for a set of programs that acts as an interface between the applications that are running on a computer and the computer's hardware?
Operating system
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
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 Form factor Type and number of connectors
Which of the following expansion buses is most commonly used for devices such as sound cards, modems, and network cards?
PCI
Which of the following expansion buses uses a point-to-point dedicated connection and provides a serial full-duplex method of transmission?
PCIe
Which expansion slot is best for high-end dedicated video cards?
PCIe x16
An employee has sustained damage to the tendons and ligaments in his wrist and forearm due to the pronation caused by typing on his straight keyboard. His doctor has recommended that he use an ergonomic keyboard to allow his body to heal. After purchasing the new ergonomic keyboard, you find that this employee's computer only has a round, purple keyboard port (see image 1), which does not match the new keyboard's connector type (see image 2). Which of the following adapters MUST you use to connect the new keyboard to the old legacy computer port?
PS/2-to-USB
You are connecting an older dot matrix printer to a computer. The printer's cable is a D-shaped connector with 25 pins. Which port type does the printer connect to?
Parallel port
Consider the expansion and memory slots highlighted on the motherboard diagram below. Select the PCI, PCIe x16, and PCIe x1 slots. (Select FOUR).
Picture
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
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).
Processor connector Form factor Output wattage
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 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.
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 two identical video cards.
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?
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.
The fan in a 450-Watt power supply is malfunctioning. What action should you take?
Remove and replace the power supply.
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?
Replace the existing processor.
You are servicing a client's computer that has been randomly restarting. You decide to test the power supply using a multimeter. You connect the positive lead to the yellow wire on one of the Molex connectors. Which of the following BEST describes the action you should take based on the multimeter reading shown below?
Replace the power supply because it is failing.
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?
Replace the power supply.
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
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).
Resolution Refresh rate
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?
Riser
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?
S/PDIF
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.
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).
Smartphones Digital cameras
You are looking at a female TRS connector on the computer. Which device uses this connector?
Speaker
You need to replace a broken monitor on a desktop system. You decide to replace it with a spare monitor that wasn't being used. Even though the monitor is made by a different manufacturer than the desktop computer, it still works with the computer. Which computer design concept makes this possible?
Standardization
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
Which of the following will help reduce the threat of static discharge when working on computer hardware? (Select TWO.)
Store unused components in static shielding bags. Remain in physical contact with the server chassis at all times.
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 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?
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 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.
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.
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 receiver is not plugged into the computer.
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.
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 fan has no power.
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 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.
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 wattage requirement for each individual circuit uses formula W = V x A.
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.
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 must be recycled.
What is the purpose of an MSDS?
To document how to safely handle and dispose of hazardous materials.
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
Which of the following is considered an input device?
Touchscreen
What type of USB 3.0 connector is shown here?
Type-A
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, an AMD uses a Pin Grid Array (PGA) socket type. Typically, AMD chips are less expensive.
Which connector on the back of a computer is used to attach a mouse to a modern PC system?
USB
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?
USB
Which of the following standards provides data transfer rates up to 480 Mbps with a maximum cable length of 5 meters?
USB 2.0
Match the USB connector types on the left with the image labels on the right. (Not all USB connector types will be used.)
USB 3.0 Type-A USB 3.0 Micro-B USB 3.0 Type-B USB 2.0 Type-A
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?
Update the UEFI firmware.
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.
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?
Upgrade to a power supply that provides more watts.
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?
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?
Use an adapter to connect the monitor HDMI port to the DVI-D connector on the PC.
Match the peripheral devices on the left with the descriptions or examples on the right. Each peripheral device may be used once, more than once, or not at all.
Used to scan hardware that contains an embedded microchip for authentication. -Smart card reader Used to capture some type of analog signal and convert it into digital data. -Digitizer Can be a stand-alone device or integrated with other peripherals, such as a keyboard. - Smart card reader Used to scan users' unique physical features and use them to verify their identity. - Biometric scanner Graphics tablets mostly used by graphic artists to capture hand-drawn images. - Digitizer Fingerprint scanner. - Biometric scanner Most commonly used in retail environments at checkout stands. - Barcode reader
Which component of Windows prompts the user for credentials or permissions to minimize the dangers of unintended software installations?
User Account Control (UAC)
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).
Using a graphics card with an onboard audio processor Audio pass-through
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 the volume isn't muted. Verify that speakers are plugged into the correct jack and are powered on.
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?
Watt rating
Which operating system(s) include the following features? Cortana Cloud storage Continuum Microsoft Store Microsoft Edge
Windows 10
Consider the following diagram of a typical motherboard. Drag the label on the left to the letter on the right that best identifies the associated connector.
a.)PCI b.)PCIe x16 c.)PCIe x1 d.)Case fan power e.)CPU power f.)CPU g.)Memory h.)Power supply i.)SATA j.)Front/top panel k.)USB l.)IEEE 1394
What would you enter at the command prompt to start a new Bourne-again shell (bash) session?
bash
You recently purchased a USB audio headset and connected it to a USB port on your Windows system. However, when you launch your music player, the audio is played through your desktop speakers instead of the new USB headset. You need to reconfigure the system to use the headset instead of the desktop speakers. Click the tab you would use in the Sound Properties window to accomplish this task.
click "playback"
You recently purchased a USB audio headset and connected it to a USB port on your Windows system. The headset includes a microphone that can be used to record audio. However, when you launch your audio recording program, no audio is recorded. You need to reconfigure the system to use the headset mic instead of the built-in mic. Click the tab you would use in the Sound Properties window to accomplish this task.
click "recording"
What would you enter at the command prompt on a Linux system to display the IP addresses and the subnet masks assigned to each network interface on a Linux system?
ifconfig
What would you enter at the command prompt on a Linux system to display a list of files and subdirectories that exist within the present working directory?
ls
You want to know more about the usage, command syntax, and options available with the Linux ifconfig command. What would you enter at the command prompt to display this information about ifconfig?
man ifconfig
A technician wants to move a file called widget.txt from the current directory to /home/fred. Which of the following commands would the technician use?
mv widget.txt /home/fred
Consider the connectors highlighted on the motherboard diagram below. Select the CPU socket and CPU power connector. (Select TWO).
picture
Consider the connectors highlighted on the motherboard diagram below. Select the USB connectors. (Select ONE).
picture
What would you enter at the command prompt on a Linux system to display the present working directory?
pwd
A technician would like to completely shut down and power down the system 10 minutes after notifying all users. Which of the following commands should the technician use?
shutdown -h +10 message
You are logged in as a user with limited system privileges. You are the Linux system administrator, and you have the password to the root user account. When you need to switch to root user to perform administrative tasks, what command should you enter at the command prompt?
su -