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42 Cards in this Set
- Front
- Back
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A computer is making a lot of noise what could be the likely problem
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Case Fan: When a case fan begins to fail they become very noisy often compared to jet noise
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You are about to install a case fan, the original has been removed where should you connect the fan power connection
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Motherboard
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A power supply failed after a tech added some drives and you need to order a new one, what likely power rating would you purchase to ensure it doesn't fail again?
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600W is the most common power supply in desktops
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What voltage is not provided by ATX based power supplies?
A. 12VDC B. -12 VDC C. 115 VAC D. 15 VDC |
1. ATX based power supplies use AC voltage as an input but do not provide AC voltage
2. ATX power supplies do not provide 15VDC |
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Molex connectors provide power to disk drives from ATX rated power supplies. What voltages are supplied through the Molex connector?
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5V and 12V
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A system is not booting to the SATA drive and you suspect that the ATX based power supple might not be providing the correct voltages. What voltages should you see on the SATA connector?
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3.3 VDC, 5 VDC, and 12VDC
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What can you use against power sags?
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(UPS) Uninterruptible power supply
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What can protect against ESD (electrical static discharge) damage?
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1. ESD wrist strap
2. ESD Mat |
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What would you use to verify that the power supply is providing the proper voltages while connected to the P1 connector on the motherboard?
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Multimeter: Can measure DC voltages provided to a motherboard
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What is the best way to clean the inside of a PC?
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Compressed Air
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What is a common contributor to ESD?
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Carpet: Static builds on carpets and commonly contributes to ESD
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After using a cleaning product you develop a rash, what resource could you use to find out what chemicals are in the cleaning product and what safety precautions to take?
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MSDS: Material Safety Data Sheet
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Which of the following choices list common Motherboard form factors from smallest to largest?
A. Pico-ITX, Mini-ITX, Micro-ATX, ATX b. Pico_ITX, Micro-ATX, Mini-ITX, ATX c. ATX, Pico-ITX, Mini-ITX- Mico-ITX d. Mini-ITX, Micro-ATX, pico-ITX ATX |
A. Pico-ITX, Mini-ITX, Micro-ATX, ATX
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Of the following choices, what two components the speed of a bus?
a. Bit size & multiplier b. Crystal frequency & bit size c. Crystal frequency & multiplier d. CPU capability and cache |
C. Crystal frequency & multiplier
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You have PCIe x2 card that you want to install into a computer. Of the following choices, where could you install it?
a. PCIe x1 expansion slot b. PCIe x4 expansion slot c. PCI expansion slot d. PCI-X expansion slot |
B. PCIe x4 expansion slot
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You are trying to start a system from a bootable DVD, but the system always boots to the hard drive instead. What should you do?
a. Replace the DVD b. Replace the DVD Drive c. Manipulate the start sequence in the BIOS d. Flash the BIOS |
C. Manipulate the start sequence in the BIOS
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When starting a computer you see a message indicating a CMOS error. What is the most likely solution?
a. Flash the CMOS b. Flash the BIOS c. Replace the battery d. Replace the CMOS |
C. Replace the battery
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After trying to run virtualization software, you realize that the BIOS doesn't support virtualization. What should you do?
a. upgrade the CPU b. Upgrade the motherboard c. Replace the CMOS battery d. Flash the BIOS |
D. Flash the BIOS
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You are replacing two DDR3 DIMMs in an Intel dual-channel motherboard. Into which slots should you put them in?
a. Two different-colored slots b. Two identical-colored slots c. Separate banks d. Slot 1 and 4 |
B. Two identical Colored slots
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You are shopping for a replacement DDR3 RAM. Your system has a 400-MHz clock. What should you buy?
a. PC3-400 b. DDR3-400 c. PC3-25600 d. PC3-12800 |
C. PC3-25600
The correct calculation for DDR3 is Clk x 4 x 2 x 64/ 8.400 MHz x 4 x 2 x 64 / 8= 25600, so it is PC3=25600 |
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An intel CPU has two cores, but the operating system shows it has four CPU's. What feature allows this to happen?
a. Hyper-threading b. Hyper Transport c. Dual-channel RAM d. L2 cache |
A. Hyper-threading is supported on Intel CPU's and allows each core to appear as two CPU's
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Of the following choices which is the fastest?
a. L1 cache b. L2 cache c. L3 cache d. Triple channel DDR3 |
A. L1 cache
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Which of the following replaces the intel socket H?
a. LGA 775 b. LGA 1366 c. LGA 1156 d. LGA 1155 |
D. LGA 1155 is known as socket H2 and replaces socket H or H1
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You are asked to troubleshoot a computer that is randomly rebooting or failing. Of the following options what hardware can cause these symptoms? (Choose all that apply)
a. RAM b. Fan c. Power Supply d. Virus |
A. Faulty RAM can cause these symptoms
B. Failing or dirty fans can result in overheating problems C. Power supply providing varying voltages or voltages out of specification can cause these issues |
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You are adding an internal SATA drive to an existing system. How many drives can you connect to a SATA connector?
a. 1 b. 2 c. 3 d. 4 |
A. SATA connectors support only 1 drive
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What type of data connector is used to for a SATA 3G drive?
a. 40 pin, 40-wire ribbon cable b. 40 pin, 80 wire cable c. 7 pins with an L-shaped connector d. 15 pins with an L-shaped connector |
c. 7 pins with an L-shaped connector
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Which of the following is not a valid external connector for a hard drive?
a. USB b. Firewire c. eSATA d. 1934b |
D. 1394B and 1394a are firewire 400 and firewire 800 , but an external connector named 1934b does not exist. BOOM mind blown!
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How much data can you store on a DL DVD disc?
a. 700 MB b. 4.7 GB c. 8.5 GB d 17.1 GB |
C. Dual Layer DVD's hold 8.5 GB
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What is the minimum number of drives in a RAID-1?
a. 1 b. 2 c. 3 d. 4 |
B. Raid 1 (mirror) only uses 2 drives
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You hear a hard drive making loud clicking noises. What does this indicate?
a. Failing hard drive b. Normal operation c. Disk thrashing d. Bad Cluster |
A. Failing Hard disk drive
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How many USB devices can a USB controller support?
a. 2 b. 4 c. 63 d. 127 |
D. 127 devices
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You want to plug in a USB 3.0 device. What port should you use?
a. Blue rectangular port b. rectangular port with a curved top c. a pink TRS connector d. a green PS/2 connector |
A. Blue rectangular port
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What is the maximum length of a firewire 400 cable?
a. 3 meters b. 5 meters c. 4.5 meters d. 100 meters |
C. 4.5 meters
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You want to control 2 computers with a single keyboard, mouse and monitor. What should you use?
a. PCIe expansion card b. KVM switch c. MIDI device d. 7.1 System |
B. Keyboard Video Mouse (KVM) switch is used to manage more than one PC with a single Keyboard mouse and monitor
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You need to identify a device that can create files from printed documents. Of the following selection what would you choose?
a. Multifunction printer b. Biometric Device c. Barcode reader d. MIDI enabled device |
A. Multifunction printers commonly include scanners or digitizers that can scan documents
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You want to watch and record tv shows on a desktop computer. What is needed?
a. KVM switch b. Webcam c. TV Tuner card d. Camcorder |
C. TV Tuner card is required to watch and record tv shows on a desktop
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Of the following display interfaces what uses analog signal? (choose all that apply)
a. HDMI b. DVI-D c. DVI-A d. VGA |
C. DVI-A
D. VGA |
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Which of the following display interfaces include both audio and video signals?
a. HDMI b. DVI-D c. DVI-A d. VGA |
A. HDMI
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You have a computer with a DVI and HDMI port. One monitor is connected to the DVI and you want to add a second one. The second monitor has a single VGA port how can you accomplish this?
a. Plug the VGA cable into the HDMI port b. Use a passive VGA to HDMI cable c. Plug the VGA into a DVI port and plug the DVI into the HDMI d. none of the above |
D. HDMI is digital VGA is analog none of the above would work
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Your company is replacing all the CRT monitors with flat panel displays. What should be done with the old monitors?
a. Take them directly to a landfill b. Throw them in a dumpster c. take them to an incinerator d. Dispose of them as hazardous waste in compliance with local regulations |
D. do it legal do it right
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You have recently installed a new video card with a DVI interface. The display always defaults to VGA mode and cant be changed. What is most likely the problem?
a. Nothing this is normal for DVI b. Incorrect driver c. faulty monitor d. faulty video card |
B. the most common reason for a new video card defaulting to VGA is an incorrect driver
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You are troubleshooting a problem with a blank LCD display. You have verified that it is connected to the computer and has power what is most likely the problem?
a. Incorrect driver b. Faulty CRT tube c. Failed backlight d. Dead pixels |
C. LCD crystals do not emit light, so the most likely problem is the back light failed.
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