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N10-004单项选择题每日一练(2019.01.10)

  • 单项选择题

    Which of the following WAN protocols is a circuit switching technology?()

    A. ISDN
    B. SONET
    C. Frame Relay
    D. ATM

  • 单项选择题

    In an enterprise setting, access switches providing network connectivity placed throughout abuilding are typically connected to a backbone called the:()

    A. MDF
    B. Proxy
    C. Demarcation point
    D. Smart jack

  • 单项选择题

    Users report an intermittent degradation of sound on their IP phones. Which of the following woulda network administrator do to alleviate the problem?()

    A. Use plenum cables
    B. Provide fault tolerance for the switch
    C. Configure VLAN trunking on the switch
    D. Configure QoS

  • 单项选择题

    A network technician is troubleshooting a network issue that has just been reported. Which of thefollowing troubleshooting steps should the technician take FIRST to help resolve this issue?()

    A.Record the solution in the appropriate logs for future use.
    B.Ask the user who reported the issue what past documentation they have.
    C.Ask the user who reported the issue to explain the symptoms in detail.
    D.Record what steps should be taken to resolve the issue.

  • 单项选择题

    Which of the following OSI model layers is used for logical addressing?()

    A. Physical
    B. Transport
    C. Network
    D. Data link

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