单选题Which of the following factors is the MOST likely cause of a power supply fan failure？（）AExtreme temperature variancesBExtreme humidity variancesCPower stability fluctuationsDExcessive dust accumulation

题目
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

相似考题

1.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

2.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

3.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

4.Which of the following is the MOST important physical consideration when deploying a new server?()A. Humidity monitors, Biometrics, and fire suppressionB. Cooling, rack space, and power requirementsC. Service level agreements, uninterruptible power supply (UPS) deployment, and CCTVD. Biometrics, fire suppression, and power requirements

更多“单选题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”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 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、Multimeter
    • B、Oscilloscope
    • C、Cable tester
    • D、Power supply tester

    正确答案:A

  • 第3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4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5题：

    Which of the following is the MOST important physical consideration when deploying a new server？（）

    • A、 Humidity monitors， Biometrics， and fire suppression
    • B、 Cooling， rack space， and power requirements冷
    • C、 Service level agreements， uninterruptible power supply （UPS） deployment， and CCTV
    • D、 Biometrics， fire suppression， and power requirements

    正确答案:B

  • 第6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7题：

    An SNMP alert has been generated by a server in the main data center.The alert stated that the internal temperature of the server has exceeded the threshold.No other servers in the rack have experienced problems，and no other alerts have come from that server about any other events.Which of the following is the cause of this issue？（）

    • A、Rack cooling equipment failure
    • B、Dust collection in the server
    • C、Server processor failure
    • D、Server power supply failure

    正确答案:B

  • 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 is the MOST important physical consideration when deploying a new server？（）
    A

     Humidity monitors， Biometrics， and fire suppression

    B

     Cooling， rack space， and power requirements冷

    C

     Service level agreements， uninterruptible power supply （UPS） deployment， and CCTV

    D

     Biometrics， fire suppression， and power requirements


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    Which of the following factors is the MOST important to consider when choosing an uninterruptible power supply （UPS） for a single server？ （）
    A

     UPS form factor

    B

     Server form factor

    C

     Server power supplys wattage rating

    D

     Desired runtime


    正确答案： D
    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 administrator reboots a ten drive server, with a RAID 10 array, after a power failure and receives an error logical drive failed. Which of the following is the MOST likely cause?（）
    A

    Corrupt file system table

    B

    Backplane failure

    C

    Multiple drive failure

    D

    Bad cable


    正确答案： B
    解析： 暂无解析

  • 第13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14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15题：

    Which of the following is MOST useful in HVAC planning？ （）

    • A、 Uninterruptible Power Supply （UPS） load
    • B、 Humidity
    • C、 Amperage
    • D、 Voltage
    • E、 Temperature

    正确答案:B,E

  • 第16题：

    Which of the following factors is the MOST important to consider when choosing an uninterruptible power supply （UPS） for a single server？ （）

    • A、 UPS form factor
    • B、 Server form factor
    • C、 Server power supplys wattage rating
    • D、 Desired runtime

    正确答案:D

  • 第17题：

    Which of the following is the MOST important physical consideration when deploying a new server?（）

    • A、Humidity monitors, Biometrics, and fire suppression
    • B、Cooling, rack space, and power requirements
    • C、Service level agreements, uninterruptible power supply (UPS) deployment, and CCTV
    • D、Biometrics, fire suppression, and power requirements

    正确答案:B

  • 第18题：

    Which of the following should a technician MOST likely use to test a RS-232 port?（）

    • A、Loopback adapter
    • B、Power supply tester
    • C、The ping command
    • D、Multimeter

    正确答案:A

  • 第19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20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21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
    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

    Multimeter

    B

    Oscilloscope

    C

    Cable tester

    D

    Power supply tester


    正确答案： A
    解析： 暂无解析

  • 第24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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