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During OSPF adjacency formation, in which state is a router in when an OSPF hello packet has been sent but bi－directional communication has not been achieved?()A.AB.BC.CD.D

题目
During OSPF adjacency formation, in which state is a router in when an OSPF hello packet has been sent but bi－directional communication has not been achieved?()

A.A

B.B

C.C

D.D

相似考题

1.How long() you() a member of the club?A.have,,joinedB.have,,beenC.has,,joinedD.has,,been

2.Why()the old block of flats()demolished next month?A、are…beingB、is…beingC、has…beenD、have…been

3.At last we got the letter we had long () expecting.A. areB. wereC. beD. been

4.I think the hatch covers ________ all fixed up by youA.wasB.wereC.beD.been

更多“During OSPF adjacency formation, in which state is a router in when an OSPF hello packet has been sent but bi－directional communication has not been achieved?() ”相关问题

  • 第1题：

    He () some difficulty () the book into Japanese.

    A、is, to translate

    B、has, to translate

    C、is, in translating

    D、has, in translating


    参考答案：D

  • 第2题：

    Whichfouraretrue?()

    A.Has-arelationshipsshouldneverbeencapsulated.

    B.Has-arelationshipsshouldbeimplementedusinginheritance.

    C.Has-arelationshipscanbeimplementedusinginstancevariables.

    D.Is-arelationshipscanbeimplementedusingtheextendskeyword.

    E.Is-arelationshipscanbeimplementedusingtheimplementskeyword.

    F.Anarrayoracollectioncanbeusedtoimplementaone-to-manyhas-arelationship.

    G.TherelationshipbetweenMovieandActressisanexampleofanis-arelationship.


    参考答案：C, D, E, F

  • 第3题：

    If there () no air and water, all living creatures would die.

    A、is

    B、were

    C、be

    D、been


    参考答案：B

  • 第4题：

    She ___here a minute ago.

    A.is

    B. was

    C.be

    D. been


    正确答案：B

  • 第5题：

    He is talking so much about America as if he ____ there.

    A、had been

    B、has been

    C、was

    D、been


    正确答案：A

  • 第6题：

    一个OSPF路由器向其相邻路由器发送Hello数据包,如果接收到某一路由器返回的Hello数据包,则在这两个OSPF路由器之间建立起OSPF交互关系,这个过程在OSPF中被称为()。


    答案：邻接关系adjacency

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