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Firewall is a (74) mechanism used by organizations to protect their LANs from the Internet.(74)A. reliableB. stableC. peacefulD. security

题目

Firewall is a (74) mechanism used by organizations to protect their LANs from the Internet.

(74)

A. reliable

B. stable

C. peaceful

D. security


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更多“Firewall is a (74) mechanism used by organizations to protect their LANs from the Internet ”相关问题
  • 第1题:

    ● The (74) is the largest computer network in the world.

    (74) A. PC

    B. USB

    C. Windows

    D. Internet


    正确答案:D

  • 第2题:

    ATM (Asynchronous Transfer Mode) technology combines connection oriented mechanism and () mechanism.

    A.circuit switching
    B.packet switching
    C.message switching
    D.voice switching

    答案:B
    解析:
    ATM(异步传输模式)技术联合面向连接机制和()机制。A.电路交换B.包交换C.消息交换D.语音交换

  • 第3题:

    某企业职工关系EMP(E_no,E_name,DEPT,E_addr,E_tel)中的属性分别表示职工号、姓名、部门、地址和电话;经费关系FUNDS(E_no,E_limit,E_used)中的属性分别表示职工号、总经费金额和己花费金额。若要查询部门为"开发部"且职工号为"03015"的职工姓名及其经费余额,则相应的SQL语句应为:SELECT(请作答此空)FROM( )WHERE( )

    A.EMP.E_no,E_limit-E_used
    B.EMP.E_name,E_used-E_limit
    C.EMP.E_no,E_used-E_limit
    D.EMP.E_name,E_limit-E_used

    答案:D
    解析:
    本题考查数据库SQL语句的基础知识。查询的结果为职工姓名E_name,和经费余额,经费余额=总经费金额-已花费金额(E_limit-E_used)。

  • 第4题:

    摩托罗拉Handover参数中,下列说法不正确的是()

    A.“bounce_protect_margin”参数取值范围是0~127

    B.“bounce_protect_margin”现网主流设置是8

    C.“bounce_protect_margin”现网主流设置是15

    D.“bounce_protect_margin”现网主流设置是5

    E.“bounce_protect_margin”现网主流设置是9


    参考答案:B, C, E

  • 第5题:

    ATM(Asynchronous Transfer Mode)technology combines connection oriented mechanism and ( ) mechanism.

    A.circuit switching
    B.packet switching
    C.message switching
    D.voice switching

    答案:B
    解析:
    ATM(异步传输模式)技术结合了面向连接机制和分组交换机制。

  • 第6题:

    重新加载防火墙的命令是()。

    A.firewall-cmd --start

    B.firewall-cmd --reload

    C.firewall-start --reload

    D.firewall-cmd --enable


    firewall-cmd --reload