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单选题
A technician is installing a new power supply into a computer. One of the power supply connectors that the technician needs to connect to the motherboard is square and contains 4-pins. This connector is known as which of the following?（）
A
SATA
B
FDD
C
IDE
D
ATX
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单选题If a technician suspects that the voltage being delivered to a desktop computer’s power supply is insufficient or incorrect, which device should be used to determine the correct voltage?（）A
A power supply testerB
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考题
单选题A technician suspects the AC voltage into a PC power supply is bad. Which of the following toolswould MOST likely be used to confirm the diagnosis?（）A
MultimeterB
OscilloscopeC
Cable testerD
Power supply tester
考题
单选题The technician has replaced a power supply with an identical power supply, and now the high end graphics card is not working. Which of the following should the technician check?（）A
The memoryB
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考题
单选题A technician does not have power to a PC. Which of the following tools should the technician use to check for electricity?（）A
Cable testerB
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单选题A technician has just installed an upgraded graphics card. The computers power turns off before itfinishes booting. Which of the following is the cause of the problem? （）A
The monitor cannot display the increased resolution that is a feature of the new graphics card.B
The power supply does not provide enough wattage to power the new graphics card.C
The new graphics card is incompatible with the existing processor.D
The computer does not have enough RAM to support the new graphics card.
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单选题After installing a second processor and corresponding heatsink into a server， an administrator notices that the new processor is not showing up during POST. Which of the following could be the cause of this issue？（）A
The power supply is not sufficient to power the server.B
The voltage regulator module （VRM） was not installed.C
The IRQ setting was not set.D
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考题
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The voltage selector switch on the power supply is set incorrectly.B
The 3.3v power line is connected to the wrong input on the motherboard.C
The new power supply voltage rating is too high.D
The 12v power cord is installed incorrectly.
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单选题A technician is building a Windows 2008 server and has installed a motherboard， processor， and power supply. Which of the following optical drives should the technician install？（）A
Flash DriveB
DVD-RWC
CD-ROMD
SSD
考题
单选题An administrator will replace five current servers. Which of the following is the MOST important to review before installing new servers？（）A
Verify uninterruptible power supply （UPS） loadB
Verify if server consumes 220VC
Verify CPU loadD
Verify if server consumes 110V
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