Real Questions

which of the following features are typically available through TRS ports on a sound card? Select two A. IEEE 1394 B. Microphone in C. Speaker out D. HDMI audio E. S/PDIF audio

Microphone in Speaker out

which of the following motherboard form factors best allows for low consumption power supplies? A. NLX B. EATX C. Mini itx D. Micro-atx

Mini itx

Most modern computer components use which level of DC current? A. 5V B. 3.3V C. 8V D. 12V

12V

How many pins are on a VGA connector?

15

How many pins does a DDR1 desktop memory module have?

184

How many pins does a RAMBUS or RIMM memory module have?

184

How many pins do DDR2 and DDR3 memory modules have?

240

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 4GB memory limitation. You want to add as much memory as possible without replacing the existing modules. What is the maximum total amount of RAM that can be installed in this system?

3 GB

A tweezer like tool used for grabbing and lifting small objects?

3 prong holder

Which tool would you use to grab and lift small objects? A. 3 prong holder B. IC extrator C. Cable tester D. Multimeter

3 prong holder

What is the approximate bus speed of DDR2 memory rated at PC2-5300? A. 667 MHz B. 5300 MHz C. 333 MHz D. 533 MHz E. 400 MHz

333 MHz

All of these connectors are commonly used in modern power supplies except? A. 4-pin 12V connector B. 24-pin ATX connector C. 4-pin mini-Molex connector D. SATA power connector

4-pin mini-Molex connector

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? A.DDR3 memory B. Triple channel memory support C. ECC memory D. 64-bit processor

64-bit processor

Which of the following optical discs can hold 9.4 GB of data? A. Single layer DVD B. High definition DVD C. Single layer Blu-ray disc D. Double layer DVD

Double layer DVD

Which of the following statements about cleaning monitors and displays is true? A. most new monitors are self cleaning and should not be cleaned using external methods. B. A monitor should be powered off and cleaned using a lint-free rag. C. monitors are best cleaned powered on so you can see the effectiveness of your cleaning. D. An LCD monitor is best cleaned using a lint rag and glass cleaner

A monitor should be powered off and cleaned using a lint-free rag.

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? A. ATX mid-tower B. Mini-itx C. ATX full tower D. Micro-atx

ATX mid-tower

Windows includes a set of features that improves visual appearance. These features include, but are not limited to: Glass effects, windows animation, flip 3D, Snap, Shake. What is this set of features called?

Aero

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? A. All memory will operate at 500 MHz B. All memory will operate at 300 MHz C. Half of the memory will operate at 300 MHz and the other half at 500 MHz D. You cannot mix modules of different ratings

All memory will operate at 300 MHz because the memory will operate at the slowest frequency.

To prevent ESD when replacing computer components what should the anti static wrist strap be attached to? Two things

Anti static mat Metal area on the computer case

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

Backout plan

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

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

A technician is tasked with installing the windows OS on a MAC computer so that the computer can boot to either the MAC or the Windows OS. Which Mac OS feature allows this?

Boot Camp

Recently you have noticed that the lights in the lab seem dimmer and sometimes flicker. What best describes the condition you are experiencing?

Brownouts

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? A. Parity RAM B. Buffered C. Parity RAM D. Unbuffered

Buffered

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? A. Capacity B. Frequency C. CAS latency D. Clock cycle parity

CAS latency

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

CMOS

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

CPU, thermal paste, heat sink, fan

Verifies that a network can carry a signal from one end to the other and that all wires within the connector are in their correct positions?

Cable tester

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) A. Check the HCL to make sure the device is compatible with the version of Windows running on your system. B. Use jumpers on the card to assign IRQ and memory addresses C. Enable windows Update so the latest driver is downloaded automatically. D. Download the latest driver from the manufacturer's Web site. E. Check the BIOS to see which system resources are available can be assigned to the card

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

Windows cannot locate the required driver. Which of the following would be the best administrative tool to fix Mark's computer? A. System configuration B. Computer management C. Component services D. Resource Monitor

Computer management

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 would be to update the UEFI firmware. Before performing the upgrade, if possible, which of the following would be the BEST action to take? A. Upgrade the processor B. Password protect the computer C. Connect the computer to a UPS D. Change the motherboard battery

Connect the computer to a UPS because if you lose power while updating UEFI firmware it could be catastrophic.

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

Which of the following memory ratings identifies the fastest memory? How'd you figure it out? A. PC-133 B. PC-2700 C. DDR2-667 D. PC-3200 E. DDR3-1600

DDR3-1600 You measure this by bus frequency. For DDR you take the number after it and divide by 2. So out of the DDRs the 1600 MHz was the highest. For PCs you divide the number after it by 16.

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

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? A. AC volts B. Watts C. DC volts D. ohms

DC volts

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

DDR

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

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

Assuming the same operating frequency, what are the advantages of DDR4 over DDR3? Select two A. DDR4 includes a buffer between the data bus and the memory B. DDR4 doubles the data transfer rate of DDR3 C. DDR4 accepts four consecutive 64-bit words per bus cycle D. DDR4 uses less power than DDR3

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

Which of the following terms is used to identify memory modules? A. DIMM B. PATA C. SATA D. AGP

DIMM

You are helping a customer over the phone who needs to connect to a monitor that uses a digital interface. Which port should you instruct her to look for on the back of her PC? A. SVGA DB-15 3 row B. DVI C. USB D. Serial DB-15

DVI

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 personal safety, which of the following should you do first? A. Place your computer on ESD mat B. Remove jewelry C. Disconnect power D. Put on safety glasses

Disconnect power

Which of the following best describes the DisplayPort interface used for connecting video monitors to computes? Select two: A. Displayport carries both analog and digital signals. B. Displayport uses a lower voltage than HDMI and DVI. C. Display port is electrically equivalent to HDMI and DVI. D. DisplayPort can send both audio and video over the same cable

DisplayPort uses a lower voltage than HDMI and DVI. DisplayPort can send both audio and video over the same cable.

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

EEPROM chips

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. What is the greatest threat in this environment that could damage these memory modules? A. The magnetic field around the CRT monitor B. EMI C. ESD D. High voltage discharge from the CRT monitor

ESD

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

ESD wrist strap

The PCI sound card in your computer stopped working. You decided 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 does not show up in Device Manager. Which should you do to solve the issue? A. Enable the sound card in Device Manager B. Update the drivers for the device C. Update the necessary audio codecs D. Edit the CMOS settings and enable the onboard sound.

Edit the CMOS settings and enable the onboard sound.

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

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

What is installed between the system case and the motherboard's back I/O ports?

Faceplate (IO shield)

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

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

T/F ROM can not hold data without power going to the computer?

False

Which windows tool do you use to browse the file system on a drive? A. Notification Area B. Network C. Task Bar D. File Explorer

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 only has two prongs. All the desktop computers have three prong cords. Which of the following is the best way to proceed? A. Use the existing cord, but remove the grounding prong, as it is not required. B. Find a different outlet that uses three prongs. C. Purchase an adapter that converts the three-prong cable to two prongs. D. Get a new power cord with two prongs to match the wall outlet.

Find a different outlet that uses three prongs.

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 and nothing is displayed on the screen. Which of the following actions would most likely rectify this issue? select two A. verify that the CPU fan is connected to the motherboard. B. Press F8 while booting the computer. C. Flash the UEFI firmware. D. Reinstall the old processor in the motherboard. E. Return the CPU for a new one

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

You need to replace the power supply in your desktop computer. Which of the following specifications are the most likely to affect your power supply choice? Select three A. Form factor B. Input voltage C. Type and number of connectors D. Output voltage E. Output wattage

Form factor type and number of connectors Output wattage

What is the name of the MAC OS feature that allows you to perform functions using finger motions?

Gestures

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 promotional video that demonstrates the new company strategy through images and sound. Which of the following cable types work best for connecting his laptop to the display? A. DVI B. Composite C.HDMI D. VGA

HDMI

Which storage device uses aluminum platters for storing data? A. SD card B. DLT tape C. Hard disk D. DLT tape E. DVD disk

Hard disk

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

Hard disk

Tweezer like tool used to remove integrated circuit chips?

IC extractor

Which tool would be the best choice to remove and replace the motherboard BIOS chip? A. combination ratchet B. IC extractor C. needle-nose pliers D. screwdriver

IC extractor

What connects computers and hard disk drives? A. EIDE B. IDE C. PATA D. NVMe

IDE

SODIMM memory is most likely used in? A. Laptop computers B. Servers C. Desktop work stations D. Printers

Laptop computers

What is a DB-15 connector on a sound card typically used for? (select two) A. Speakers B. Joystick C. Microphone D. MIDI port E Headphones

Joystick MIDI port

Which of the following will ensure optimal system cooling? Select three A. Keep the ambient temperature below 80 degree Fahrenheit. B. Bundle cables together and secure unused cables to the case. C. Remove the side panel on the case. D. Stack hard drives next to each other. E. Leave space between the case and any walls or obstructions.

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

Part of the operating system core is responsible for controlling security, managing file system, and providing a platform for applications to run on. What feature is this? A. CPU B. Interface C. Kernel D. Driver E. Desktop

Kernel

Which of the following device types should be plugged into the surge-protected only outlet on UPS unit and not the battery back up outlet? A. Laser printer B. External hard disk drive C. Ink jet printer D. Secondary LCD monitor

Laser printer

Of the following choices, which action could be most physically harmful to you? A. Looking into the end of a fiber optic cable B. Not using a surge protector C. Force ejecting a stuck DVD with a paper clip D. Wearing a grounding strap while installing a modem

Looking into the end of a fiber optic cable.

Which of the following are advantages of solid state storage compared to hard drives? Pick 2 A. Lower power requirement B. Inexpensive C. No moving parts D. Propriety disk interface E. Larger storage capacity

Lower power requirement No moving parts

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? A. CPU B. Hard disk drive C. Memory D. System board

Memory

You want to build a computer that can stand upright on a desk and takes up the least amount of space. Which case should you select? A. Micro atx slim tower B. Mini itx tower C. HTPC D. Atx mid tower

Micro atx slim tower

How do you remove RAM from a motherboard?

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

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

NLX

Which of the following is a type of storage drive? A. SATAe B. NVMe C. RAID D. CMOS

NVME (Non-volatile memory express)

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? A. ECC memory, as it will increase the computer's performance. B. ECC memory as it is less expensive than non-ECC memory. C. Non-ECC memory as it is less expensive and more reliable than ECC memory. D. Non-ECC memory as it is less expensive than ECC memory, and parity is not required.

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

The _______________ specification supports a communication connection between the operating system and the SSD directly through a PCIe bus lane, reducing latency and taking full advantage of the wicked-fast speeds of high-end SSDs. A. Hard disk B. PCI C. CMOS D. Non-volatile Memory express (NVMe)

Non-volatile Memory express (NVMe)

What method does an SD card use for storing data?

Non-volatile memory chips

Which of the following is a term used for a set of programs that act as an interface between the applications and the computer's hardware? A. Operating System B. Utilities C. Driver D. Command line E. Kernel

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? A. Hard disk B. Operating system C. RAM D. BIOS

Operating system

What causes a computer to sometimes spontaneously reboot and freeze occasionally?

Overheated CPU

Which expansion slot is best for high-end video cards? A. PCIe x1 B. PCI-X C. PCIe x16 D. AGP

PCIe x16

Which three type of software-generated problems can indicate that a software bug is causing a memory error? Select three A. Page fault B. Incorrect memory count C. Registry error D. Parity interrupt E. General protection fault F. Exception error

Page fault General protection fault Exception error

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? A. Parallel port B. VGA port C. Serial port D. USB port

Parallel port

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

Parity

Which of the following tools is specifically designed to test the DC voltage on a hard disk drive power connector? A. multimeter B. loopback plug C. cable tester D. power supply tester

Power supply tester

Which of the following connectors are part of the system case and connect to header pins on the motherboard? A. SATA power B. 24 pin atx power C. Power switch D. 8 pin EPS 12V E. HDD LED activity

Power switch HDD LED activity

Which documents are generally finished and approved before a project begins? Select three A. Project plan B. Budget C. Change order form D. Resource allocation documentation

Project plan Budget Resource allocation documentation

Which of the following would most likely need to be completed prior to flashing the BIOS? Select two A. Locate the flash utility or tool that was shipped with your PC B. Test the memory to ensure that it is functioning properly C. Properly identify the motherboard D. Create a backup of the hard disk in the event of a failure E. Download the flash utility or tool from the manufacturer's website

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

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

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

What is the standard oder for change order form?

Purpose Scope Plan Risk analysis Backout plan

What do you do with old laptop batteries?

Recycle them

Which of the following two will help you reduce the threat of static discharge when working on computer hardware? Select two A. Touch the leads on the PC components with your finger to dissipate any static charge B. Remain in physical contact with the server chassis at all times C. Leave the system plugged into the grounded wall outlet D. Reduce the humidity in the room to around 30% E. Store unused components in static shielding bags F. Place your hardware on a 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

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

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? A. Configure the system to use dual channel memory B. Add a second processor that matches the speed of the first processor. C. Remove the terminating resistor from slots where the new processor will be installed D. Replace the existing processor

Replace the existing processor

You want to purchase a motherboard that has integrated sound with digital audio output. Which port would you likely find on the motherboard faceplate that indicates digital audio support? A. DB-15 B. Mini-DIN C. F-type D. S/PDIF E. Mini TRS

S/PDIF

Which of the following memories is the fastest? A. ROM B. DRAM C. SRAM D. EPROM

SRAM

The technology to detect memory automatically in the motherboard is called?

Serial Presence Detect

SIMM stands for

Single Inline Memory Module

You are using a female TRS connector on the computer. Which device uses this connector? A. Keyboard B. Speaker C. Monitor D. Joystick

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. What computer design concept makes this possible? A. Componentization B. Plug-and-Play C. Standardization D. Firmware

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

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

Which of the following items are likely to be displayed in the notification area of a computer running the windows operating system? Select two A. Shortcuts to launch recently used applications B. Icons representing all currently open applications C. The current time D. Icons representing all currently open documents E. Shortcuts to open recently used documents F. A volume control

The current time A volume control

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? A. The fan has no power B. The CPU is not supported by the BIOS C. The CPU is bad D. The computer had a virus

The fan has no power

A customer wants to add an additional video card to her computer so she can play the latest computer games. Which of the following statements are true of a multi-GPU configuration? Select two A. The motherboard should support either SLI or CrossFire. B. Linking video cards also provide additional video output ports C. For the best performance, both video cards should be identical. D. Linking only shares memory resources, not GPU resources E. An SLI video card can be linked with a CrossFire video card

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

Which of the following is an upgrade to the SODIMM standard? A. DDR4 B. UniDIMM C. SODIMM2 D. DDR3

UniDIMM

a tv station needs to view and capture HDTV signal on their computer. The station purchased a TV tuner card but cannot get it to capture video or sound. Which of the following is most likely causing the card to function improperly? A. They purchased a ATSC card, but did not connect the card to the TV feed cable. B. They purchased a NTSC card, but did not connect the card to the TV feed cable. C. They purchased a ATSC card, but did not connect the card to the existing video card. D. They purchased a NTSC card, which is not compatible with the slots available in the motherboard.

They purchased a ATSC card, but did not connect the card to the TV feed cable.

Which of the following processor features is used to dynamically reduce power consumption based on current operating conditions? A. Caching B. Overclocking C. Throttling D. Multi-core E. Hyper-threading

Throttling

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

Tone generator and probe

T/F ROM chips are not only used in computers, but in most other electronic items as well?

True

Which of the following best describes an AMD? A. Typically an AMD uses numbers to represent the number of pins on the socket. B. Typically AMD uses a Pin Grid Array (PGA) socket type. C. Typically AMD uses a land grid array (LGA) socket type. D. Typically AMD chips are less expensive E. Typically AMD has a larger market share

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

Your company has been experiencing some brownouts due to power grid problems. Fearing that your computers and servers could be damaged by these brownouts, your manager has asked you to find a solution to the problem. Which device would you recommend to your manager? A. UPS B. Surge suppressor C. GFCI D. Power strips

UPS (Uninterruptible Power Supply)

Which connector on the back of a computer are commonly used to attach a mouse to a modern PC system? A. Low-density (two row) female DB-15 B. USB B C. USB A D. RJ45 D. High-density (three row) female DB-15

USB 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 and nothing is displayed on the screen and it doesn't start. What should you do first? A. Upgrade the motherboard B. Update the UEFI firmware C. Press F8 while booting the computer D. Return the CPU for a new one

Update the UEFI firmware

Your motherboard has two memory slots and supports a maximum of 8 GB of RAM. After installing two 4 GB modules and booting your system, you find that Windows only recognizes 3.5 GB of RAM. What should you do first and why?

Upgrade to a 64-bit version of windows. You are most likely using 32-bit version right now, which can only address a max of 4 GB of RAM.

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 if a failing power supply is the cause of the reboots? A. listen for POST code beeps to determine the error's cause. B. Verify that the fan on the power supply is spinning. C. Replace the power supply. D. use a multimeter to test the power supply.

Use a multimeter to test the power supply.

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 option would provide the best display quality at the lowest cost? A. Purchase a new monitor with a DVI-D port B. Its not possible to connect this monitor to this PC C. Use an adapter to connect the monitor HDMI port to the DVI-D connector on the PC. D. Use an adapter to connect the monitor VGA 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. Because they are both digital signals its the easiest conversion and cheapest.

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 Mini-ATX form factor. Your current case is an ATX mid-tower with a standard ATX motherboard inside. What should you do? A. Drill holes in the mini atx motherboard to match the mounting hole pattern of the atx case. B. Use the Mini-ATX motherboard in the ATX case. C. Drill holes in the atx case to match the mounting hole pattern of the mini atx motherboard. D. Return the motherboard and replace it with a atx form factor motherboard

Use the Mini-ATX motherboard in the ATX case.

Which component of windows prompt the user for credentials or permissions to minimize the dangers of unintended software installations? A. User Account Control (UAC) B. Defender C. Firewall D. Firewall with advanced security

User Account Control (UAC)

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? A. volt/ohm B. Watts C. VA D. Volts

VA

Which operating system includes the following features? Cortana, cloud storage, continuum, Microsoft store, Microsoft edge A. Windows 10 B. Linux C. Windows 10 and 7 D. Mac and Linux

Windows 10

When rebuilding your computer which of the following cooling systems would most efficiently remove heat from the CPU? A. heat sink, thermal paste, and fan B. passive heat sink C. passive heat sink with thermal paste D. active heat sink, thermal paste, liquid pipes, and fan E. passive heat sink, thermal paste, liquid pipes, and fan

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

What would you enter at the command prompt to start a new Bourne-again shell (Bash) session?

bash

A technician is tasked with replacing a 110-style keystone jack module in a patch panel. Which of the following tools would the technician use to attach the new module to the end of the cable (select two) A. crimper B. multimeter C. punchdown tool D. cable stripper E. tone generator and probe

cable stripper punchdown tool

You have just finished the upgrading the CPU in your desktop system. After running the system for about 15 minutes, the system locks up and automatically restarts. What should you do first to troubleshoot the problem? (select two) A. replace the power supply B. check the power supply voltage switch C. check the cpu fan power D. remove any unnecessary components and run the system E. check the thermal shutdown threshold in the BIOS

check the cpu fan power check the thermal shutdown threshold in the BIOS

A technician attempts to run a executable file on a linux computer and receives a Permission Denied message. Which of the following commands should the technician use? A. ps B. chmod C. grep D. ls

chmod

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? A. extension magnet B. IC extractor C. needle-nose pliers D. screwdriver

extension magnet

A technician uses the pc command to find info about a process running a browser application on a Linux computer. The technician knows the name of the process, but the list is very long. Which of the following commands would help the technician find and display only the information about the process? A. cd B. ls C. grep D. sudo

grep

What would you enter at the command prompt to display the IP address and the subnet masks assigned to each network interface on a Linux system?

ifconfig

Which of the following is not an advantage of SSDs over HDDs? A. small and light B. durable C. inexpensive D. low power consumption

inexpensive

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 into the command prompt to display this info about ifconfig?

man ifconfig

You are in the process of configuring a new computer. The motherboard has four memory slots and supports duel 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? A. change the CAS latency to a higher setting B. move the modules to the correct motherboard slots C. Add continuity modules to unused memory slots D. Replace the memory with dual channel capable memory

move the modules to the correct motherboard slots

What measures voltage, amps, and resistance?

multimeter

Which of the following is a characteristic of a multi-processor system? A. shared L2 cache B. multiple processor sockets on the motherboard C. multiple cores on the same die D. ability to use over 4 GB of memory

multiple processor sockets on the motherboard

Besides protecting a computer from under voltage, a typical UPS also performs which two actions. A. prevents ESD B. protects network cabling from EMI C. protects from over voltages D. prevents electric shock E. 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 Crossfire to improve performance when playing your favorite game. Which of the following will be part of the configuration process? A. purchase a video card that supports HDCP B. Purchase a video card that supports NTSC standards C. purchase a video card that supports ATSC standards D. purchase two identical video cards.

purchase two identical video cards.

What would you enter at the command prompt on a Linux system to display the present working directory?

pwd

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 the root user to perform administrative tasks, what command should you use at the command prompt?

su -

Your computer is spontaneously shutting down after only a few minutes of use. What is most likely causing this? A. the cpu is bad B. the power connector for the fan was not connected to the motherboard. C. the cpu is not supported by the BIOS D. the heat sink and fan were not installed correctly E. someone unplugged the computer without performing a proper shutdown first

the cpu is bad the cpu is not supported by the BIOS

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. What should you do? A. use the switch on the power supply to switch from 110 volts to 220 volts. B. upgrade to smaller capacity hard drives C. upgrade to a power supply that provides more watts. D. upgrade to a power supply that provides more volts.

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 haven an 8-pin PCIe power connector. Which solution would be the least expensive option for your system? A. purchase a new power supply with the necessary connector B. purchase a new video card that does not require a power connector C. connect the 8-pin processor cable to the video card. D. use an adapter cable to connect two 4-pin Molex connectors to the 8-pin PCIe connector

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