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单选题A computer’s case fan protects against which of the following environmental concerns?（）A PressureB HeatC Brown outD Cold

题目
单选题
A computer’s case fan protects against which of the following environmental concerns?（）
A

Pressure

B

Heat

C

Brown out

D

Cold

相似考题

1.A computer’s case fan protects against which of the following environmental concerns?()A. PressureB. HeatC. Brown outD. Cold

2.Chafing gear ______.A.reduces and prevents corrosion of standing riggingB.prevents corrosion of running riggingC.reduces and prevents wear caused by the rubbing of one object against anotherD.protects the body against extreme cold

3.A computer’s case fan protects against which of the following environmental concerns?（）A、PressureB、HeatC、Brown outD、Cold

4.When disposing of computer equipment, which of the following can present an environmental hazard?()A. BezelB. SATA cableC. Cat5 cableD. CRT monitor

更多“单选题A computer’s case fan protects against which of the following environmental concerns?（）A PressureB HeatC Brown outD Cold”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 small push button typically found on the inside of a server case is MOST likely used for which of the following purposes?（）

    • A、UID switch
    • B、Power switch
    • C、Cooling fan switch
    • D、Chassis intrusion switch

    正确答案:D

  • 第3题：

    Which of the following would BEST provide cooling to a processor?（）

    • A、Case fan
    • B、Heatsink
    • C、Liquid cooling system
    • D、CPU fan

    正确答案:C

  • 第4题：

    When disposing of computer equipment, which of the following can present an environmental hazard?（）

    • A、Bezel
    • B、SATA cable
    • C、Cat5 cable
    • D、CRT monitor

    正确答案:D

  • 第5题：

    A mail server keeps shutting down. The administrator gets an error message over temperature error. Which of the following should the administrator replace FIRST？（）

    • A、 Power supply fan
    • B、 CPU fan
    • C、 Heat sink
    • D、 Case fan

    正确答案:B

  • 第6题：

    单选题
    A user reports that their PC is making a strange noise. Which of the following is the cause of the problem?（）
    A

    A network cable is vibrating against the system case.

    B

    An internal wire is improperly routed and is hitting the CPU fan.

    C

    The thermal grease on the CPU has dried out and needs to be replaced.

    D

    The CPU needs to be reseated.


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    A mail server keeps shutting down. The administrator gets an error message over temperature error. Which of the following should the administrator replace FIRST？（）
    A

     Power supply fan

    B

     CPU fan

    C

     Heat sink

    D

     Case fan


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    Which of the following should be checked FIRST if the laptop’s fan continuously goes full speed?（）
    A

    Dust buildup

    B

    AC adapter

    C

    Battery temperature

    D

    Fragmentation


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    A computer’s case fan protects against which of the following environmental concerns?（）
    A

    Pressure

    B

    Heat

    C

    Brown out

    D

    Cold


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    Which of the following is a reason why Bob, a technician, should install case fans in the front of acomputer case?（）
    A

    It forces hot air out of the PC

    B

    The fan is easier to remove and clean

    C

    It forces cooler air into the power supply quickly

    D

    It forces cooler air across the motherboard


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    When disposing of computer equipment, which of the following can present an environmental hazard?（）
    A

    Bezel

    B

    SATA cable

    C

    Cat5 cable

    D

    CRT monitor


    正确答案： D
    解析： 暂无解析

  • 第12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13题：

    Modern desktop computer systems require the following to properly dissipate heat（）

    • A、Temperature Control Panel
    • B、Thermal Compound
    • C、Liquid Cooling Systems
    • D、Processor Heat Sink
    • E、Case Fan

    正确答案:B,D

  • 第14题：

    A technician dropped a screw in the case of a desktop computer. Which of the following toolsshould be used to retrieve the screws?（）

    • A、Computer vacuum
    • B、Plastic tweezers
    • C、Canned air
    • D、Screwdriver with magnetized tip

    正确答案:B

  • 第15题：

    Which of the following is a reason why Bob, a technician, should install case fans in the front of acomputer case?（）

    • A、It forces hot air out of the PC
    • B、The fan is easier to remove and clean
    • C、It forces cooler air into the power supply quickly
    • D、It forces cooler air across the motherboard

    正确答案:D

  • 第16题：

    A mail server keeps shutting down. The administrator gets an error message over temperature error? Which of the following should the administrator replace FIRST?（）

    • A、Power supply fan
    • B、CPU fan
    • C、Heat sink
    • D、Case fan

    正确答案:B

  • 第17题：

    A user reports that their PC is making a strange noise. Which of the following is the cause of the problem?（）

    • A、A network cable is vibrating against the system case.
    • B、An internal wire is improperly routed and is hitting the CPU fan.
    • C、The thermal grease on the CPU has dried out and needs to be replaced.
    • D、The CPU needs to be reseated.

    正确答案:B

  • 第18题：

    单选题
    A small push button typically found on the inside of a server case is MOST likely used for which of the following purposes?（）
    A

    UID switch

    B

    Power switch

    C

    Cooling fan switch

    D

    Chassis intrusion switch


    正确答案： C
    解析： 暂无解析

  • 第19题：

    单选题
    A technician dropped a screw in the case of a desktop computer. Which of the following toolsshould be used to retrieve the screws?（）
    A

    Computer vacuum

    B

    Plastic tweezers

    C

    Canned air

    D

    Screwdriver with magnetized tip


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    A motor enclosure which protects against falling liquids is classified as （）
    A

    waterproof

    B

    drip proof

    C

    spray tight

    D

    spray proof


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    A small push button typically found on the inside of a server case is MOST likely used for which of the following purposes？（）
    A

     UID switch

    B

     Power switch

    C

     Cooling fan switch

    D

     Chassis intrusion switch


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    Which of the following statements about cooling is true？（）
    A

    Adapter cards （e.g. modems） do not add to the heat generated in a computer case.

    B

    Bus mastering reduces the amount of heat generated inside a computer case.

    C

    Removing expansion slot covers can compromise cooling airflow design.

    D

    Periodic cleaning of the computer components inside the case has no effect on cooling efficiency.


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    When disposing of computer equipment， which of the following can present an environmental hazard？（）
    A

     Bezel

    B

     SATA cable

    C

     Cat5 cable

    D

     CRT monitor


    正确答案： A
    解析： 暂无解析

  • 第24题：

    单选题
    In order to ensure there is proper airflow in a new computer, which of the following should be performed?（）
    A

    Install a passive hard drive cooler.

    B

    Unplug the redundant power cables from the motherboard.

    C

    Install rounded IDE cables.

    D

    Drill holes in the PC's case to create more airflow


    正确答案： B
    解析： 暂无解析

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