单选题While performing a preventative maintenance check on a personal computer, a technician notices thatseveralunused expansion card slots have open ports. Which of the following BEST describes why the covers for these card slots should be reinstalled?()A H

题目
单选题
While performing a preventative maintenance check on a personal computer, a technician notices thatseveralunused expansion card slots have open ports. Which of the following BEST describes why the covers for these card slots should be reinstalled?()
A

Help limit radio frequency interference (RFI) inside the case.

B

Help ensure proper air flow through the case.

C

Help prevent moisture buildup in the case.

D

Help limit electrostatic discharge (ESD) inside the case.


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更多“单选题While performing a preventative maintenance check on a personal computer, a technician notices thatseveralunused expansion card slots have open ports. Which of the following BEST describes why the covers for these card slots should be reinstalled?()A H”相关问题
  • 第1题:

    A technician replaces a computer’s NIC with a wireless card. The user wants to save the NIC.Which of the following should the technician use to preserve the NIC? ()

    • A、ESD mat
    • B、ESD wrist strap
    • C、Sealable plastic bag
    • D、Anti-static bag

    正确答案:D

  • 第2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3题:

    After swapping an internal wireless card on a laptop with an identical model, the technician notices that the wireless does not work. Which of the following would be the MOST likely cause?()

    • A、Antennae is not connected
    • B、Wireless card is defective
    • C、Drivers needs to be updated
    • D、OS needs to be updated

    正确答案:A

  • 第4题:

    While performing a preventative maintenance check on a personal computer, a technician notices thatseveralunused expansion card slots have open ports. Which of the following BEST describes why the covers for these card slots should be reinstalled?()

    • A、Help limit radio frequency interference (RFI) inside the case.
    • B、Help ensure proper air flow through the case.
    • C、Help prevent moisture buildup in the case.
    • D、Help limit electrostatic discharge (ESD) inside the case.

    正确答案:B

  • 第5题:

    You have a 10Mbps network card in your computer. You install a 100Mbps network card on your computer and restart the computer. The 100Mbps card in not working due to a conflict with the10Mbps card. You want only the 100Mbps card to be active. What should you do to  disable the10 Mbps network adapter?()

    • A、Remove the 100MB Ethernet adapter driver by using device manager.
    • B、Remove the drivers for both Ethernet adapters cards by using device manager. 
    • C、Install the 100MB Ethernet adapter in different PC card slots.
    • D、Disable the device drivers for the 10Mb card using by using Device Manager.

    正确答案:D

  • 第6题:

    单选题
    Which of the following expansion card slots was designed specifically for video cards?()
    A

     PCIe

    B

     ISA

    C

     AGP

    D

     PCIx


    正确答案: B
    解析: 暂无解析

  • 第7题:

    单选题
    Which of the following expansion slots is 64-bit?()
    A

     PCIx

    B

     PCI

    C

     ISA

    D

     PCIe


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    After a technician installs a video card, which of the following should the technician configure NEXT?()
    A

    Resolution

    B

    Colors

    C

    Dots per inch

    D

    Refresh rate


    正确答案: D
    解析: 暂无解析

  • 第9题:

    单选题
    You have a 10Mbps network card in your computer. You install a 100Mbps network card on your computer and restart the computer. The 100Mbps card in not working due to a conflict with the10Mbps card. You want only the 100Mbps card to be active. What should you do to  disable the10 Mbps network adapter?()
    A

    Remove the 100MB Ethernet adapter driver by using device manager.

    B

    Remove the drivers for both Ethernet adapters cards by using device manager. 

    C

    Install the 100MB Ethernet adapter in different PC card slots.

    D

    Disable the device drivers for the 10Mb card using by using Device Manager.


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    After installing a new video card, the computer loads Windows and continuously reboots. Which of the following would be the FIRST step that a technician should take?()
    A

    Run CHKDSK

    B

    Boot to ERD

    C

    Run MSCONFIG

    D

    Go into Safe Mode


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    A technician installs a SATA controller card and moves the hard drive cable from the system board to the SATA controller. The system POSTs and the controller BIOS recognizes the hard drive but does not boot to the hard drive and start Windows. Which of the following is the MOST likely cause of the problem?()
    A

    Windows cannot be booted from a controller card.

    B

    The hard drive must have Windows reinstalled because a new controller card was installed.

    C

    The SATA controller card was not set as a boot device in the computer BIOS.

    D

    The new controller must have the correct jumper settings for Windows mode.


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    A technician is performing scheduled preventive maintenance on a laser printer. Which of the following should the technician clean or replace? ()
    A

    fuser

    B

    ozone filter

    C

    transfer corona

    D

    primary corona


    正确答案: C
    解析: 暂无解析

  • 第13题:

    A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. TheWLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why theWLAN card is performing at that speed? ()

    • A、The WLAN card is 802.11g.
    • B、The WLAN card is 802.11b.
    • C、The WLAN card is 802.11n.
    • D、The WLAN card is 802.11a.

    正确答案:B

  • 第14题:

    A technician is troubleshooting a monitor displaying a blank screen and the power indicator light ison. Which of the following should the technician do next?()

    • A、Test the computer with a known-good monitor.
    • B、Check if the monitor is still covered under the manufacturer’s warranty.
    • C、Replace the monitor’s power cord with a known-good power cord.
    • D、Swap out the computer’s video card.

    正确答案:A

  • 第15题:

    Which of the following expansion slots is 64-bit?()

    • A、 PCIx
    • B、 PCI
    • C、 ISA
    • D、 PCIe

    正确答案:D

  • 第16题:

    A technician installs a SATA controller card and moves the hard drive cable from the system board to the SATA controller. The system POSTs and the controller BIOS recognizes the hard drive but does not boot to the hard drive and start Windows. Which of the following is the MOST likely cause of the problem?()

    • A、Windows cannot be booted from a controller card.
    • B、The hard drive must have Windows reinstalled because a new controller card was installed.
    • C、The SATA controller card was not set as a boot device in the computer BIOS.
    • D、The new controller must have the correct jumper settings for Windows mode.

    正确答案:C

  • 第17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18题:

    单选题
    A technician has replaced a video card with another manufacturer’s video card. The driverinstallation does not complete. Which of the following steps should the technician take FIRST?()
    A

    Roll back the driver.

    B

    Install the original video card and reboot.

    C

    Delete the monitor.

    D

    Remove the video card and reboot.


    正确答案: B
    解析: 暂无解析

  • 第19题:

    单选题
    After swapping an internal wireless card on a laptop with an identical model, the technician notices that the wireless does not work. Which of the following would be the MOST likely cause?()
    A

    Antennae is not connected

    B

    Wireless card is defective

    C

    Drivers needs to be updated

    D

    OS needs to be updated


    正确答案: D
    解析: 暂无解析

  • 第20题:

    单选题
    A technician is trying to install a previous-generation expansion card into their new laptop.However, the card refuses to fit into the expansion slot. Which of the following is MOST likely the reason?()
    A

    The card needs to have the compatibility jumpers set before it can be installed into the system.

    B

    The card is a PCI Express card and the laptop supports pcmica.

    C

    The expansion slot needs to be enabled in the blos first.

    D

    The card is a PCMCIA card and the laptop supports PCI Express cards.


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    While performing a preventative maintenance check on a personal computer, a technician notices thatseveralunused expansion card slots have open ports. Which of the following BEST describes why the covers for these card slots should be reinstalled?()
    A

    Help limit radio frequency interference (RFI) inside the case.

    B

    Help ensure proper air flow through the case.

    C

    Help prevent moisture buildup in the case.

    D

    Help limit electrostatic discharge (ESD) inside the case.


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    A technician replaces a computer’s NIC with a wireless card. The user wants to save the NIC.Which of the following should the technician use to preserve the NIC? ()
    A

    ESD mat

    B

    ESD wrist strap

    C

    Sealable plastic bag

    D

    Anti-static bag


    正确答案: B
    解析: 暂无解析

  • 第23题:

    单选题
    A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. The WLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why the WLAN card is performing at that speed?()
    A

    The WLAN card is 802.11g.

    B

    The WLAN card is 802.11b.

    C

    The WLAN card is 802.11n.

    D

    The WLAN card is 802.11a.


    正确答案: A
    解析: 暂无解析

  • 第24题:

    单选题
    Which of the following expansion slots would be BEST for a fiber network card?()
    A

     ISA

    B

     PCIx

    C

     PCIe

    D

     AGP


    正确答案: D
    解析: 暂无解析