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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、Power supply testerC、Tone generatorD、Multimeter

题目

A technician does not have power to a PC. Which of the following tools should the technician use to check for electricity?（）

  • A、Cable tester
  • B、Power supply tester
  • C、Tone generator
  • D、Multimeter
相似考题

1.Under the system of federalism, The states don’t enjoy any power that the federal government does not have.()

2.After making a long CAT5 cable, the technician fears that the cable may have been damagedduring the pull, but does not have a cable tester. Which of the following would be the BESTalternative tool to determine whether there are any breaks or shorts in the cable?（）A. MultimeterB. VoltmeterC. Loopback plugD. Toner probe

3.A technician has been asked to ensure a PC is supplied with power for a short time, during apower failure. The technician should install which of the following devices to ensure thisrequirement is easily met?（）A. Backup power generatorB. Uninterruptable power supplyC. Power line conditionersD. Surge protectors

4.in ireland，the president is only a symbolic head of state and does not have executive power. ()

更多“A technician does not have power”相关问题

  • 第1题：

    A technician is testing a power supply for correct output voltages at the HDD power connector.Which of the following voltages should the technician expect for a correctly working power supply?()

    A.6V

    B.9V

    C.12V

    D.24V


    参考答案：C

  • 第2题：

    New service from the telephone company is delivered over fiber, but the technician does not have a fiber module for the router. Which of the following would remedy this issue?()

    A. OTDR

    B. Media converter

    C. CSU/DSU

    D. Fiber repeater


    参考答案：B

  • 第3题：

    A technician has been asked to ensure a PC is supplied with power for a short time, during apower failure. The technician should install which of the following devices to ensure thisrequirement is easily met?（）

    • A、Backup power generator
    • B、Uninterruptable power supply
    • C、Power line conditioners
    • D、Surge protectors

    正确答案:B

  • 第4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5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 memory
    • B、The CMOS battery
    • C、The PCIe power jack
    • D、The processor for chip creep

    正确答案:C

  • 第6题：

    A technician has had several support requests for one PC. The technician has reseated the PCIcards and replaced the hard drive in the PC located in a school cafeteria kitchen. PCs located in the business office or the classrooms have not had this issue. Which of the following is MOST likely causing this PC’s issue?（）

    • A、Faulty RAM
    • B、240 volt Kitchen outlets
    • C、Power Brownouts
    • D、Excessive Heat

    正确答案:D

  • 第7题：

    A technician has found that the uninterruptible power supply (UPS) connected to a server does not have sufficient battery power to allow the server to shutdown gracefully. Which of the following is the MOST cost effective way to allow this server to shutdown gracefully?（）

    • A、Install a second UPS.
    • B、Increase the size of the swapfile.
    • C、Increase the size of the pagefile.
    • D、Install an extended battery pack into the UPS

    正确答案:D

  • 第8题：

    单选题
    Does brain power ______ as we get older? Scientists now have some surprising answers.
    A

    descend    

    B

    decline  

    C

    reduce

    D

    collapse


    正确答案： C
    解析：
    随着年龄的增长我们的记忆力会减退吗?科学家有一些新奇的回答。decline减退，衰退。reduce 减少。collapse 崩溃，倒塌。descend下降。因而只有B项符合题意。

  • 第9题：

    单选题
    In the expression an, n is an even power. Which of the following expressions does not have even power?
    A

    an +l

    B

    a2n

    C

    an+2

    D

    a3n

    E

    an+4


    正确答案： D
    解析：
    Because n is an even power, n + 1 is an odd power. That means an+1 has an odd power. The powers in the other choices are even.

  • 第10题：

    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.


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    After making a long CAT5 cable, the technician fears that the cable may have been damagedduring the pull, but does not have a cable tester. Which of the following would be the BESTalternative tool to determine whether there are any breaks or shorts in the cable?（）
    A

    Multimeter

    B

    Voltmeter

    C

    Loopback plug

    D

    Toner probe


    正确答案： D
    解析： 暂无解析

  • 第12题：

    多选题
    A technician turns on a PC and before the computer boots up, the technician is prompted for apassword. The technician does not know the password. Which of the following can the techniciando to allow access to the PC?（） (Select TWO).
    A

    Set the clear password jumper on the motherboard

    B

    Enter the BIOS setup and select the clear password setting

    C

    Remove the power cord from the power supply and then plug it back in

    D

    Power cycle the PC

    E

    Remove the CMOS battery for 15 minutes


    正确答案： B,C
    解析： 暂无解析

  • 第13题：

    A technician turns on a PC and before the computer boots up, the technician is prompted for apassword. The technician does not know the password. Which of the following can the techniciando to allow access to the PC?（） (Select TWO).

    A. Set the clear password jumper on the motherboard

    B. Enter the BIOS setup and select the clear password setting

    C. Remove the power cord from the power supply and then plug it back in

    D. Power cycle the PC

    E. Remove the CMOS battery for 15 minutes


    参考答案：A, E

  • 第14题：

    When a computer does not recognize an internal modem， a technician should determine whether：（）

    • A、the modem is seated properly.
    • B、the number being dialed is valid.
    • C、there are resource conflicts.
    • D、there is power to the modem.
    • E、the modem speaker is enabled.

    正确答案:A,C

  • 第15题：

    A technician turns on a PC and before the computer boots up, the technician is prompted for apassword. The technician does not know the password. Which of the following can the techniciando to allow access to the PC?（） (Select TWO).

    • A、Set the clear password jumper on the motherboard
    • B、Enter the BIOS setup and select the clear password setting
    • C、Remove the power cord from the power supply and then plug it back in
    • D、Power cycle the PC
    • E、Remove the CMOS battery for 15 minutes

    正确答案:A,E

  • 第16题：

    New service from the telephone company is delivered over fiber, but the technician does not have a fiber module for the router. Which of the following would remedy this issue?（）

    • A、OTDR
    • B、Media converter
    • C、CSU/DSU
    • D、Fiber repeater

    正确答案:B

  • 第17题：

    Bob, a technician, is troubleshooting a PC that intermittently does not power on. Which of the following tools would be the BEST choice to use to verify a possible cause? （）

    • A、Cable tester
    • B、Ohm meter
    • C、Field strength meter
    • D、PSU tester

    正确答案:D

  • 第18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

    正确答案:D

  • 第19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.

    正确答案:B

  • 第20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 memory

    B

    The CMOS battery

    C

    The PCIe power jack

    D

    The processor for chip creep


    正确答案： D
    解析： 暂无解析

  • 第21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 tester

    B

    Power supply tester

    C

    Tone generator

    D

    Multimeter


    正确答案： C
    解析： 暂无解析

  • 第22题：

    多选题
    When a computer does not recognize an internal modem， a technician should determine whether：（）
    A

    the modem is seated properly.

    B

    the number being dialed is valid.

    C

    there are resource conflicts.

    D

    there is power to the modem.

    E

    the modem speaker is enabled.


    正确答案： E,C
    解析： 暂无解析

  • 第23题：

    单选题
    A technician has been asked to ensure a PC is supplied with power for a short time, during apower failure. The technician should install which of the following devices to ensure thisrequirement is easily met?（）
    A

    Backup power generator

    B

    Uninterruptable power supply

    C

    Power line conditioners

    D

    Surge protectors


    正确答案： A
    解析： 暂无解析

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