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Which two statements are true by default of a multilevel IS-IS network?()A. Level 1 only routers see routes contained in their area.B. Level 1 routers route towards Level 2 routers due to the attached bit.C. Level 2 routers route towards Level 1 routers d

题目
Which two statements are true by default of a multilevel IS-IS network?()

A. Level 1 only routers see routes contained in their area.

B. Level 1 routers route towards Level 2 routers due to the attached bit.

C. Level 2 routers route towards Level 1 routers due to the attached bit.

D. Level 2 routers can see routes in other Level 2 areas and routes originated in Level 1 areas.


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    下列复选框构造方法,错误的是()。

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    正确答案:D

  • 第2题:

    有如下代码段:

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    case 1:System.out.println("One");break;

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    default:System.out.println("end");

    }

    变量x的取值下列哪些情形时,能使程序输出"Two" 。

    A. 1

    B. 2

    C. 3

    D. default


    正确答案:BC

  • 第3题:

    给定如下Java代码片段,编译运行时的结果是() int i=2; switch(i) { default: System.out.println(“default”); case 0: System.out.println(“zero”); break; case 1: System.out.println(“one”); case 2: System.out.println(“two”); }

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    B.输出:default zero

    C.编译出错,default 语句位置不符合switch结构的语法结构

    D.输出two


    输出:135

  • 第4题:

    以下程序段的输出结果为( )。 int j=2 switch (j){ Case 2: system.out.print("two."): Case 2+1: System.out.println("three."); break: default: System.out.println (“value is”+j): Break }A.B.two

    A.two.three.

    B.two

    C.three

    D.value is 2


    正确答案:A

  • 第5题:

    Refertotheexhibit.WhichofthefollowingIOSDHCPconfigurationstatementsisrequiredsothataCiscoskinny-basedIPphonecanconnectwithCallManager?()

    A.ipdhcppoolClient

    B.network10.1.1.0255.255.255.240

    C.default-router10.1.1.1

    D.dns-server10.2.2.2

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    参考答案:F

  • 第6题:

    下列描述正确的是:

    A.表示m>n为false或m<n为true的表达式为(m>n&&m<n)

    B.switch语句结构中必须有default语句

    C.if语句结构中必须有default语句

    D.如果至少有一个操作数为true,则包含||运算符的表达式为true


    每个英文字符都是用1字节代码来表示,其中包含了1位校验码;