更多“18. A. research B. turn C. way D. rule ”相关问题
  • 第1题:

    According to RFC 2328, what is the stateful order in which an OSPF router transitions to a full adjacency with a neighbor router?()

    A. Down, Init, 2 - Way, Exstart, Exchange, Loading, and Full

    B. Down, Init, 2 - Wa y, Exchange, Exstart, Loading, and Full

    C. Down, 2 - Way, Init, Loading, Exstart, Exchange, and Full

    D. Down, 2 - Way, Init, Exchange, Exstart, Loading, and Full

    E. Down, Init, 2 - Way, Loading, Exstart, Exchange, and Full

    F. Down, 2 - Way, Init, Exstart, Exch ange, Loading, and Full


    参考答案:A

  • 第2题:

    利用高级ACL禁止用户通过telnet访问子网202.112.111.0/24的命令是( )。

    A.access-list 3000
    rule10 deny telnet any 202.112.111.0 0.0.0.255 ep 23
    B.access-list 3000
    rule 10 deny udp any 202.112.111.0 ep telnet
    C.access-list 3000
    rule 10 deny tcp any 202.112.111.0 0.0.0.255 ep 23
    D.access-list 3000
    rule 10 deny tcp any 202.112.111.0 255.255.255.0 ep 23

    答案:C
    解析:
    扩展 ACL(访问控制列表) 是一种路由器配置脚本,根据源地址、目的地址,以及协议或端口来控制路由器应该允许还是应该拒绝数据包。高级 ACL 比基本 ACL 更加灵活而且精度更高。

  • 第3题:

    下面的程序中,条件语句中的哪个条件会最先被计算? if finalscore>=95 and (research='A' or (grade='A' and present='A')) then finalGrades='A+';

    A.finalscore>=95

    B.research='A'

    C.grade='A' and present='A'

    D.research='A' or (grade='A' and present='A')


    if语句可以有多个else子句和else if 子句;if语句中的可以使用任何表达式

  • 第4题:

    下面哪些ISOF状态迁移是可能得()

    A.邻居状态机(Down—>Init)

    B.邻居状态机(Down—>2-Way)

    C.邻居状态机(Loading—>Full)

    D.邻居状态机(Init—>2-Way)


    参考答案:A, C, D

  • 第5题:

    要使元素逆时针旋转90度,下面的样式正确的是?

    A.transform:rotate(-90turn)

    B.transform:rotate(-.25turn)

    C.transform:rotate(90deg)

    D.transform:rotate(0.25turn)


    B

  • 第6题:

    16、要使元素逆时针旋转90度,下面的样式正确的是?

    A.transform:rotate(-90turn)

    B.transform:rotate(-.25turn)

    C.transform:rotate(90deg)

    D.transform:rotate(0.25turn)


    transform:rotate(-.25turn)