单选题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 shutdow

题目
单选题
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

UPS has been tripped.

相似考题

1.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 arrangementsB. The power supply needs to be replaced with one rated for 110 wattsC. The power supply needs a power inverter to handle the change in cyclesD. The power supply voltage needs to be switched to 110 from 220

2.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 replacedB. Light switch is turned offC. Smart cable is disconnectedD. UPS needs a firmware update

3.A remote user cannot connect to the office via VPN. The user has established Internet connectivity.Which of the following is the MOST likely next step in troubleshooting?()A.Power cycle the VPN concentrator at the office.B.Determine if the VPN service is running at the office.C.Reinstall the VPN client at the remote computer.D.Determine if the user has the correct VPN address and password.

4.Which of the following factors is the MOST likely cause of a power supply fan failure?()A. Extreme temperature variancesB. Extreme humidity variancesC. Power stability fluctuationsD. Excessive dust accumulation

更多“单选题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 shutdow”相关问题

  • 第1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.

    正确答案:D

  • 第2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.

    正确答案:D,E

  • 第3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

    正确答案:D

  • 第4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.

    正确答案:A

  • 第5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.

    正确答案:B

  • 第6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.

    正确答案:B

  • 第7题：

    单选题
    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


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    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


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    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


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    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.


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    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.


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    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.


    正确答案： A
    解析： 暂无解析

  • 第13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

    正确答案:B

  • 第14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

    正确答案:A

  • 第15题：

    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、UPS has been tripped.

    正确答案:A

  • 第16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.

    正确答案:D

  • 第17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

    正确答案:A

  • 第18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

    正确答案:D

  • 第19题：

    单选题
    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.


    正确答案： D
    解析： 暂无解析

  • 第20题：

    多选题
    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.


    正确答案： A,B
    解析： 暂无解析

  • 第21题：

    单选题
    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


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    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


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    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


    正确答案： B
    解析： 暂无解析

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