Within IS-IS, the restart helper performs which task?()A. It sends CSNPs to the restarting router.B. It periodically sends TLV 211 to the restarting router.C. It informs other routers in the domain that a router has restarted.D. It tears down adjacency an

题目
Within IS-IS, the restart helper performs which task?()

A. It sends CSNPs to the restarting router.

B. It periodically sends TLV 211 to the restarting router.

C. It informs other routers in the domain that a router has restarted.

D. It tears down adjacency and sends its entire database after 30 seconds.


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  • 第1题:

    BGP GR的helper本身必须具备了GR能力,才能协助GR Restarter完成GR。

    A.错误

    B.正确


    参考答案:A

  • 第2题:

    Which of the folIowing statements about take-based language teaching is NOT true?

    A.Students should be given tasks to perform or problems to solve in the classroom.
    B.Students are task-driven.
    C.Task-based language teaching is student-centered.
    D.Task-based language teaching is teacher-centered.

    答案:D
    解析:
    考查任务型语言教学。任务型语言教学以学生为主体,以任务为中心,学生通过参与和完成一系列的任务来习得语言知识。任务型教学法的基本学习步骤分为前任务(pre.task)、任务环(task cvcle)和语言聚焦(1anguage focus)三个部分。故选D。

  • 第3题:

    The seller should lodge any claim for this consignment against the sellers ( ) 30 days ( ) arrivalof the goods.
    A. within ; in B. within ; at
    C. after ; in D. after ; on


    答案:B
    解析:

  • 第4题:

    Which of the following statements about take-based language teaching is NOT true?

    A.Students should be given tasks to perform or problems to solve in the classroom.
    B.Student are task-driven.
    C.Task-based language teaching is student-centered.
    D.Task-based language teaching is teacher-centered.

    答案:D
    解析:
    考查任务型语言教学。任务型语言教学以学生为主体,以任务为中心,学生通过参与和完成一系列的任务来习得语言知识。任务型语言教学法与3P教学模式不同,任务型教学法的基本学习步骤分为前任务(pre.task)、任务环(task cycle)和语言聚焦(language focus)三个部分,“3P”教学法包括演示(presentation)、操练(practice)、成(production)个阶段。两种不同的教学法都属于语言教学法的分支。故选D。

  • 第5题:

    Vitamins are similar because they are made of the same elements—usually carbon,hydrogen,oxygen,and sometimes nitrogen.They are different in that their elements are arranged differently,and each vitamin been( )one or more specific functions in the body.

    A.holds
    B.plays
    C.performs

    答案:A
    解析:
    根据句意,所选项要有“起作用”的含义。四个选项中,只有D.perform“执行,履行”与function相搭配,意为“起作用”。A.undertake“着手,承担”;B.hold“抓住,掌握”;C.play常和part或role搭配,也可表达“起作用”之意。

  • 第6题:

    在Linux操作系统中,运行态和就绪态进程的状态被统一为______。

    A.TASK_RUNNING

    B.TASK_INTERRUPTIBLE

    C.TASK_READY

    D.TASK_ZOMBIE


    TASK_RUNNING