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Which two conditions, when met, allow an IS－IS Level 2 router to be considered attached?()A. You can reach other Level 2 routers.B. It can reach at least one other defined area.C. The router is reachable by at least two ES-IS nodes.D. It has at least one

题目
Which two conditions, when met, allow an IS－IS Level 2 router to be considered attached?()

A. You can reach other Level 2 routers.

B. It can reach at least one other defined area.

C. The router is reachable by at least two ES-IS nodes.

D. It has at least one enabled reachable prefix with a valid metric defined.

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1.It has been over a century _______ the railway was completed.(A)when(B) once(C) which(D) since

2.[A] which [B] that [C] what [D] when

3.健康计划的总体目标中的三个"W"指A、who，what，whenB、what，when，whyC、who，what，whichD、what，when，whereE、when，where，which

4.下列CASE语句中执行结果不为空的是()A、SELECTCASEWHEN125THEN'true'ELSE'false'END;B、SELECTCASEBINARY'B'WHEN'a'THEN1WHEN'b'THEN2END;C、SELECTCASEWHEN-10THEN'true'END;D、SELECTCASE'one'WHEN1THEN'one'WHEN2THEN'two'END;

更多“Which two conditions, when met, allow an IS－IS Level 2 router to be considered attached?() ”相关问题

  • 第1题：

    [A] who [B] when [C] where [D] which


    正确答案：C

  • 第2题：

    在IS－IS协议中,包含哪几种IS路由器的类型()。

    A.Level-1

    B.Level-2

    C.Level-3

    D.Level-1-2


    参考答案：A, B, D

  • 第3题：

    健康计划的总体目标中的三个"W"指

    A.who，what，when
    B.what，when，why
    C.who，what，which
    D.what，when，where
    E.when，where，which

    答案：A
    解析：
    总体目标的三个"W"分别指who-对象；what-实现什么变化；when-实现变化的期限。

  • 第4题：

    对于ISIS区域划分描述正确的是()

    A.如果一台路由器同时属于多个不同的区域，那么可以配置不同的区域ID和相同的SYSID的NSAP

    B.Level-1-2路由器是不同区域的边界路由器。Level2骨干区域实际是一个虚拟的IS-IS区域，由参与Level2路由选择的路由器组成

    C.所有Level-2（或Level-1-2）路由器构成骨干区域，骨干区域不必连续

    D.一个大的路由域被分成一个或多个区域（Areas）。区域内的路由通过Level-1路由器管理，区域间的路由通过Level-2路由器管理


    参考答案：A, B, D

  • 第5题：

    The beautiful mountain village__________ we spent our holiday last year is locatedin __________ is now part of Guangxi.

    A.which ; where
    B.where; what
    C.that ; what
    D.when ; which

    答案：B
    解析：
    where在此充当地点状语，what既充当located in的宾语又充当is的主语，本题考查定语从句和名词性从句。mountain village在定语从句we spent our holiday last year作地点状语，故用关系副词where：第二个考查宾语从句，从句中缺少主语，故用what作主语。故选B。

  • 第6题：

    exception类中有哪个函数？

    A．which()

    B．what()

    C．when()

    D．where()


    what()

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