Which two statements are correct regarding IS－IS?()A. Routers maintain a single link-state database per area.B. Routers maintain a separate Level 1 link-state database.C. Routers maintain a separate Level 2 link-state database.D. Routers maintain a single

题目
Which two statements are correct regarding IS－IS?()

A. Routers maintain a single link-state database per area.

B. Routers maintain a separate Level 1 link-state database.

C. Routers maintain a separate Level 2 link-state database.

D. Routers maintain a single Level 1 link-state database across multiple areas.

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参考答案和解析
参考答案：B, C
更多“Which two statements are correct regarding IS－IS?() ”相关问题

  • 第1题：

    A programmer must know about a function’s(74)to Call it correctly．

    A．location

    B．algorithm

    C．Interface

    D．statements


    正确答案：C
    解析：程序员需要知道函数的接口才能正确调用该函数。

  • 第2题：

    About ________ of the workers in the factory were born in the ________.

    A.two-thirds, 1970 B.two-thirds, 1970s C.two-third,1970 D.two-third, 1970s


    正确答案：B

  • 第3题：

    Import for the first three months this year is larger than that for the__________period last year.


    A.relating

    B.concerning

    C.corresponding

    D.regarding

    答案：C
    解析：
    考查词义辨析。句意为“今年前三个月的进口量比上一年同期多”。relating to“相关的”，concerning“关于”，corresponding“相当的，对应的”，regarding“关于；就……而论”。根据句意可知是今年前三个月和去年相对应的前三个月做对比．故选C。

  • 第4题：

    A programmer must know about a function's ______ to call it correctly.

    A．location

    B．algorithm

    C．Interface

    D．statements


    正确答案：D
    解析：译文的含义是：程序员需要知道函数的()才能正确调用该函数。A、B、C、D各选项的意思分别是：位置、算法、接口、声明。要正确地调用一个函数，必须知道它的声明，故本题应该选择D。

  • 第5题：

    12． About_______ of the workers in the factory were born in the __________．

    A． two- thirds;1970

    B． two- thirds ; 1970s

    C． two-third ; 1970

    D． two-third ; 1970s


    正确答案：B
    12．B【解析】句意：工厂里大约2/3的工人出生在20世纪70年代。分数的表达为分子用基数词，分母用序数词，如果分子大于1，则分母要用复数，排除C、D，年代的表达要在年份后加s．故选B。

  • 第6题：

    Norman Blarney is an artist of deep convictions.

    A: claims
    B:suggestions
    C: beliefs
    D:statements

    答案：C
    解析：
    句意：诺曼.布莱梅是一个有坚定信念的艺术家，句中画线部分conviction意为 “信念”。claim意为“要求，声称”。suggestion意为“建议”。belief意为“相信，信赖”。 statement意为“声明，陈述”。画线部分和C项意义接近。故选C项。

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