更多“You are running OSPF between two ERX Edge Routers across an OC-12c link with HDLC encapsulation.How many designated routers are present for this link?() ”相关问题
  • 第1题:

    Intermediate system to intermediate system (IS - IS), is a protocol used by network devices (routers) to determine the best way to forward datagrams through a packet - switched network, a process called routing. Which three attributes are of the IS - IS routing protocol? ()

    A. supports VLSM

    B. link - state routing protocol

    C. operati on is similar to BGP

    D. supports two routing levels within an autonomous system


    参考答案:A, B, D

  • 第2题:

    VRP平台上,在Serial口上设置数据链路层封装类型为HDLC的命令是().

    A.encapsulation hdlc

    B.link-protocol hdlc

    C.hdlc enable

    D.link-protocolppp


    参考答案:B

  • 第3题:

    Me,you是两个初始集合,则下列关于派生集合定义方式正确的是

    A.link/me,you/:a;

    B.link(me,you):a;

    C.link/me you/a;

    D.link(me,you)/a;


    link(me,you):a;

  • 第4题:

    Refer to the exhibit. During the process of configuring a virtual link to connect area 2 with the backbone area, the network administrator received this console message on R3:*Mar 1 00:2 5:01.084: %OSPF -4- ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual link but not found from 20.20.20.1, Serial 0 .How should the virtual link be configured on the OSPF routers to establish full connectivity between the areas?()

    A.R1(config - router)# area 0 virtual - link 1.1.1.1R3(config - router)# area 2 virtual - link 3.3.3.3

    B.R1(config - router)# area 1 virtual - link 2.2.2.2 R3(config - router)# area 1 virtual - link 2.2.2.2

    C.R1(config - router)# area 1 virtual - link 20.20 .20.2 R3(config - router)# area 1 virtual - link 30.30.30.2

    D.R1(config - router)# area 1 virtual - link 30.30.30.3 R3(config - router)# area 1 virtual - link 20.20.20.1

    E.R1(config - router)# area 1 virtual - link 3.3.3.3 R3(config - router)# area 1 virtual - link 1.1 .1.1


    参考答案:E

  • 第5题:

    OSPF是一种典型的链路状态(Link-state)的路由协议。()


    正确

  • 第6题:

    VRP平台上,设置Serial接口数据链路层的封装类型为HDLC的命令是()。

    A.encapsulation hdlc

    B.link-protocol hdlc

    C.hdlc enable

    D.link-protocol ppp


    B