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单选题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 car

题目
单选题
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.


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更多“单选题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 car”相关问题
  • 第1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:D

  • 第2题:

    A customer, who brings their laptop to work on a daily basis, calls to ask for the best way to add USB ports and an additional network card to their laptop. Which of the following would meet the user’s requirements?()

    • A、Docking station
    • B、Self powered USB hub
    • C、KVM switch
    • D、Non-powered USB hub

    正确答案:A

  • 第3题:

    Which of the following is the MOST likely cause of a low wireless signal after an internal wireless adapter on a laptop was replaced?()

    • A、The wireless card must be calibrated to the laptop.
    • B、The correct preshared encryption key must be installed to boost the signal.
    • C、The MAC address of the new wireless card will have to be added to the WAP to get the full signal.
    • D、The antenna wires for the wireless card were not attached.

    正确答案:D

  • 第4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5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:B

  • 第6题:

    单选题
    A laptop will not output to a connected projector. Which of the following steps should a technician take FIRST?()
    A

    Press the appropriate function + monitor key.

    B

    Adjust the BIOS settings for external display.

    C

    Replace the video card on the laptop.

    D

    Update video drivers for the video card.


    正确答案: C
    解析: 暂无解析

  • 第7题:

    单选题
    A user replaces a laptop’s wireless PCMCIA card with a different vendor’s card. All of the new card configuration steps have been followed. The OS sees all known wireless networks but cannot connect to the user’s network. Which of the following is the MOST likely reason for this behavior?()
    A

    DMZ is enabled.

    B

    MAC filtering is enabled.

    C

    WEP is being used.

    D

    SSID broadcast is disabled.


    正确答案: D
    解析: 暂无解析

  • 第8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9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10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11题:

    单选题
    After a technician replaces a laptop display, the technician now notices that the wireless no longer works. Which of the following would be the MOST likely cause?()
    A

    The wireless switch was damaged during the display installation.

    B

    The network card has failed.

    C

    The new display is interfering with the wireless signal.

    D

    The antenna connector was not reconnected.


    正确答案: C
    解析: 暂无解析

  • 第12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

  • 第13题:

    A user replaces a laptop’s wireless PCMCIA card with a different vendor’s card. All of the new card configuration steps have been followed. The OS sees all known wireless networks but cannot connect to the user’s network. Which of the following is the MOST likely reason for this behavior?()

    • A、DMZ is enabled.
    • B、MAC filtering is enabled.
    • C、WEP is being used.
    • D、SSID broadcast is disabled.

    正确答案:B

  • 第14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15题:

    A laptop will not output to a connected projector. Which of the following steps should a technician take FIRST?()

    • A、Press the appropriate function + monitor key.
    • B、Adjust the BIOS settings for external display.
    • C、Replace the video card on the laptop.
    • D、Update video drivers for the video card.

    正确答案:A

  • 第16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:A

  • 第17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
    A customer, who brings their laptop to work on a daily basis, calls to ask for the best way to add USB ports and an additional network card to their laptop. Which of the following would meet the user’s requirements?()
    A

    Docking station

    B

    Self powered USB hub

    C

    KVM switch

    D

    Non-powered USB hub


    正确答案: D
    解析: 暂无解析

  • 第22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23题:

    单选题
    Which of the following is the MOST likely cause of a low wireless signal after an internal wireless adapter on a laptop was replaced?()
    A

    The wireless card must be calibrated to the laptop.

    B

    The correct preshared encryption key must be installed to boost the signal.

    C

    The MAC address of the new wireless card will have to be added to the WAP to get the full signal.

    D

    The antenna wires for the wireless card were not attached.


    正确答案: D
    解析: 暂无解析