Which of the following should be used to ensure that all packets are received by every connecteddevice?()A. HubB. RouterC. SwitchD. Firewall

题目
Which of the following should be used to ensure that all packets are received by every connecteddevice?()

A. Hub

B. Router

C. Switch

D. Firewall

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1.She _ a present from him, but did not _ it.A.accepted … receiveB.received … acceptC.got … receiveD.received … get

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3.It's useless to ( ) her that she doesn't need to lose any weight.A.believeB.convinceC.sayD.ensure

4.[A\] ensure\[B\] assure\[C\] insure\[D\] reassure

更多“Which of the following should be used to ensure that all packets are received by every connecteddevice?() ”相关问题

  • 第1题：

    参加下图，出现默认网关Ping 不通的情况，出问题的协议层是（ ）。 C: \>ping 10.10.10.1 Pinging 10.10.10.1 with 32 bytes of data: Request timed out. Request timed out. Request timed out. Request timed out. Ping statistics for 10.10.10.1: Packets: Sent=4 ，Received=0，Lost=4 (100% loss)

    A.物理层B.网络层C.传输层D.应用层


    正确答案：B

  • 第2题：

    Each life jacket light that has a non-replaceable power source must be replaced ______．

    A.every 6 months after initial installation

    B.every 12 months after initial installation

    C.every 24 months after initial installation

    D.on or before the expiration date of the power source


    正确答案：D

  • 第3题：

    Consequently，a sustainable business model can______companies to better adapt to complex environments and achieve sustainable competitive advantages。

    A.render
    B.enable
    C.cause
    D.ensure

    答案：B
    解析：
    本题考查近义词辨析。题目意为“因此，一个可持续的商业模式能够使企业更好地适应复杂的环境，实现可持续的竞争优势。”A选项“致使，补偿”，B选项“使能够，使可能”，C选项“引起，造成”，D选项“保证，确保”。空格后面有to，所以空格填一个能接to的动词。固定搭配enable sb/sth to do sth，使可能，B选项正确。
    　　

  • 第4题：

    By default, how often does a router running IGRP send its complete routing table to its neighbors?()

    A. Every 5 minutes

    B. Every 90 seconds

    C. Every 60 seconds

    D. Every 30 seconds


    参考答案：B

  • 第5题：

    关于数据封装的顺序()是正确的。

    A.DatA.segments-packets-frames-bits

    B.DatA.packets-segments-frames-bits

    C.DatA.frames-segments-packets-bits

    D.DatA.segments-frames-packets-bits


    参考答案：A

  • 第6题：

    Care providers also need to help patients to manage their feelings of uncertainty and______them of the benefits of modern medicine and technology which can substantially aid in health improvement。

    A.assure
    B.insure
    C.sure
    D.ensure

    答案：A
    解析：
    本题考查同根词义辨析。题目意为“护理提供者还需要帮助患者应对他们的不确定感，并向他们保证当前现代医学技术可以极大地促进健康改善，而他们可以从中获益。”A选项“使确信，向……保证”，B选项“为……投保”，C选项“确信的，有把握的”， D选项“保证，确保”。固定搭配assure sb. of ，意为“使某人确信，向某人保证”。
    　　

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