The user turns on the computer and hears a popping sound and detects a burning smell. Thesystem will not power on. Which of the following is the MOST likely problem?（）A、Power supply has blown.B、CPU fan is faulty.C、Motherboard has overheated and shutdown.D

第1题：

When a grounding strap is not available, a technician can ground by touching the computer’s:（）

• A、power supply.
• B、CPU fan.
• C、memory chips.
• D、motherboard.

第2题：

An end user reports that their computer is not performing as fast as it used to and it shuts down unexpectedly. Which of the following is the MOST likely cause?（）

• A、Network data cables are damaged.
• B、Memory has become unseated.
• C、The user has defragmented the hard drive.
• D、Processor cooling fan is not functioning.

第3题：

A laptop operates on battery power when connected with an AC adapter. Once the battery discharges, the computer turns off and will not turn back on. Which of the following are the MOST likely causes of the laptop issue? （）(Select TWO).

• A、The LCD monitor’s power inverter does not function properly.
• B、The operating system’s power settings prevent the battery from charging.
• C、The battery is not compatible with the laptop.
• D、The internal power connection on the motherboard is faulty.
• E、The power adapter is not working.

第4题：

A military member has just returned to the United States from Europe and reports their personaldesktop computer does not work. Which of the following is the MOST logical solution to thisproblem?（）

• A、The computer is unable to work in the US because of EU licensing arrangements
• B、The power supply needs to be replaced with one rated for 110 watts
• C、The power supply needs a power inverter to handle the change in cycles
• D、The power supply voltage needs to be switched to 110 from 220

第5题：

A computer has been upgraded with a new hard drive and after reassembling the computer and turning the computer on， the drive LED remains lit and an error message during power-on self test （POST） states， ’No Drive Present.’ Which of the following would MOST likely be the cause？（）

• A、The motherboard was damaged and needs replacing.
• B、The floppy drive was not reconnected.
• C、A configuration disk was left in the floppy drive.
• D、The ribbon cable has been installed incorrectly.

第6题：

A floppy drive is replaced in a computer and now when the computer is turned on the floppy drive light is constantly lit. Which of the following is the MOST likely cause?（）

• A、The power supply has failed.
• B、The drive cable is connected backwards.
• C、The floppy drive has failed.
• D、The proper drivers have not been loaded.

第7题：

A newly installed floppy drive activity light stays on. Which of the following is the MOST likely problem?（）

• A、The computer does not support this type of drive.
• B、Connector is plugged in backwards.
• C、Power is plugged in backwards.
• D、All floppies are corrupt.

第8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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第13题：

A technician receives a computer for repair and observes that the fan on the power supply is not moving. Which of the following should the technician do？ （）

• A、Move the power supply voltage switch to 220 volts.
• B、Add an additional fan to help cool the computer.
• C、Replace the cable that attaches the power supply to the motherboard.
• D、Replace the power supply.

第14题：

A user is reporting that their computer is making strange noises and randomly powers off. Which of the following tools would MOST likely be used to troubleshoot this problem?（）

• A、POST diagnostic card
• B、Power supply tester
• C、Loop back plug
• D、Cable tester

第15题：

Which of the following is the MOST likely to cause a server power supply fan to fail but allows the power supply to still be functional？（）

• A、Dust
• B、Power Surge
• C、Excessive humidity
• D、High temperatures

第16题：

A technician has just installed a new power supply into a desktop computer and now the computer will not turn on. Which of the following is the MOST likely cause?（）

• A、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.

第17题：

A server will not power on. Which of the following devices should the administrator use FIRST to determine the problem?（）

• A、Loop back plugs
• B、Power supply tester
• C、System logs
• D、TDR

第18题：

An administrator has a malfunctioning uninterruptible power supply (UPS). Which of the following is the MOST likely cause of the problem?（）

• A、Battery needs to be replaced
• B、Light switch is turned off
• C、Smart cable is disconnected
• D、UPS needs a firmware update

第19题：

Which of the following factors is the MOST likely cause of a power supply fan failure？（）

• A、 Extreme temperature variances
• B、 Extreme humidity variances
• C、 Power stability fluctuations
• D、 Excessive dust accumulation

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