单选题Which of the following should a technician MOST likely use to test a RS-232 port?（）A Loopback adapterB Power supply testerC The ping commandD Multimeter

题目
单选题
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

相似考题

1.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.6VB.9VC.12VD.24V

2.A technician needs to manage a switch by using the management port on the back of the switch.Which of the following cables would the technician use?()A.StraightB.ConsoleC.CrossoverD.Loopback

3.A technician needs to manage a switch by using the management port on the back of the switch.Which of the following cables would the technician use?（）A、StraightB、ConsoleC、CrossoverD、Loopback

4.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

参考答案和解析
正确答案： C
解析： 暂无解析
更多“单选题Which of the following should a technician MOST likely use to test a RS-232 port?（）A Loopback adapterB Power supply testerC The ping commandD Multimeter”相关问题

  • 第1题：

    If a technician suspects that the voltage being delivered to a desktop computer’s power supply is insufficient or incorrect, which device should be used to determine the correct voltage?（）

    • A、A power supply tester
    • B、A multimeter
    • C、A loopback adapter
    • D、A cable tester

    正确答案:B

  • 第2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:D

  • 第3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4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5题：

    Which of the following will allow Karen, a technician, to determine if the correct voltages are reaching the computer components? (Select TWO).（）

    • A、Power supply tester
    • B、Cable tester
    • C、Loopback plugs
    • D、Multimeter
    • E、Butt set

    正确答案:A,D

  • 第6题：

    Which of the following commands should Jill, a technician, use to test a computer’s NIC forfunctionality?（）

    • A、ping net
    • B、ping ipconfig
    • C、ping localhost
    • D、ping microsoft.com

    正确答案:C

  • 第7题：

    A workstation no longer has network connectivity. Upon visual inspection, all connectors andsettings seem to be properly configured. Which of the following tools should the technician use to troubleshoot this issue? （）

    • A、PSU tester
    • B、Loopback plug
    • C、Cable tester
    • D、Multimeter

    正确答案:C

  • 第8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9题：

    单选题
    Which of the following should Karen, a technician, use to test a parallel port?（）
    A

    Line tester

    B

    Multimeter

    C

    Null modem cable

    D

    Loopback plugs


    正确答案： B
    解析： 暂无解析

  • 第10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： D
    解析： 暂无解析

  • 第11题：

    单选题
    If a technician suspects that the voltage being delivered to a desktop computer’s power supply is insufficient or incorrect, which device should be used to determine the correct voltage?（）
    A

    A power supply tester

    B

    A multimeter

    C

    A loopback adapter

    D

    A cable tester


    正确答案： D
    解析： 暂无解析

  • 第12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13题：

    Which of the following should the technician do FIRST when replacing a motherboard?（）

    • A、Use a benchmarking tool
    • B、Use anti-static wrist band
    • C、Remove the CPU
    • D、Remove the power supply

    正确答案:B

  • 第14题：

    Which of the following tools should Mike, a technician, use when testing a serial port?（）

    • A、Cable tester
    • B、Multimeter
    • C、Loopback plug
    • D、Logic probe

    正确答案:C

  • 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

    正确答案:A

  • 第16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17题：

    A server has been intermittently shutting off. The power going to the server was tested and is giving the appropriate voltages. Which of the following tools would be used to test the power supply？（）

    • A、 POST diagnostic card
    • B、 OTDR
    • C、 TDR
    • D、 Multimeter

    正确答案:D

  • 第18题：

    Which of the following should Karen, a technician, use to test a parallel port?（）

    • A、Line tester
    • B、Multimeter
    • C、Null modem cable
    • D、Loopback plugs

    正确答案:D

  • 第19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

    正确答案:B

  • 第20题：

    Which of the following tools would an administrator BEST use to trace a network cable?（）

    • A、Toner
    • B、Cable tester
    • C、Butt set
    • D、Multimeter

    正确答案:A

  • 第21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： C
    解析： 暂无解析

  • 第22题：

    单选题
    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
    解析： 暂无解析

  • 第23题：

    单选题
    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


    正确答案： C
    解析： 暂无解析

  • 第24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

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