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What are two reasons for using a virtual link in OSPF?()A. Provides fast convergence times.B. Supports connections of multiple backbones.C. Eliminates the need for a Designated Router.D. Supports non direct connections to the backbone.

题目
What are two reasons for using a virtual link in OSPF?()

A. Provides fast convergence times.

B. Supports connections of multiple backbones.

C. Eliminates the need for a Designated Router.

D. Supports non direct connections to the backbone.

相似考题

1.Which configuration command creates a virtual router called isp－1?()A.virtual-routerisp-1B.virtual-routerISP-1C.virtual-routerVRisp-1D.virtual-routerVRISP-1

2.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 3.3.3.3B.R1(config - router)# area 1 virtual - link 2.2.2.2 R3(config - router)# area 1 virtual - link 2.2.2.2C.R1(config - router)# area 1 virtual - link 20.20 .20.2 R3(config - router)# area 1 virtual - link 30.30.30.2D.R1(config - router)# area 1 virtual - link 30.30.30.3 R3(config - router)# area 1 virtual - link 20.20.20.1E.R1(config - router)# area 1 virtual - link 3.3.3.3 R3(config - router)# area 1 virtual - link 1.1 .1.1

3.OSPF是一种典型的链路状态（Link-state）的路由协议。（）

4.Several links have been broken so th at for the next day or two, what was formerly a contiguous area 0 has been broken into two parts. However, both parts of area 0 have working links into area 1 using routers with RID 1.1.1.1 and 2.2.2.2.Which answers list the command on the router with RID 1.1.1.1 to create a virtual link to help solve this temporary problem?（）A. area 0 virtual - link 2.2.2.2B. area 1 virtual - link 2.2.2.2C. area 0 source - rid 1.1.1.1 dest - rid 2.2.2.2D. virtual - link transit - area 1 RID 2.2.2.2

更多“What are two reasons for using a virtual link in OSPF?() ”相关问题

  • 第1题：

    下列（）是类选择定义的样式

    A．p{color:red;}

    B．.one{color:red;}

    C．#two{color:red;}

    D．a:link{color:red;}


    username

  • 第2题：

    2、OSPF路由器在建立完成邻接关系之后处于的稳定状态是

    A．two-way

    B．full

    C．one-way

    D．exchange


    full

  • 第3题：

    【判断题】当两台OSPF路由器形成TWO – WAY邻居关系时，LSDB已完成同步，但是SPF算法尚未运行。

    A．Y.是

    B．N.否


    D

  • 第4题：

    OSPF路由器在建立完成邻接关系之后处于的稳定状态是

    A．two-way

    B．full

    C．one-way

    D．exchange


    full

  • 第5题：

    运行OSPF的网络在（）状态下，要选举DR和BDR。 A、down B init C two-way D full

    A．down

    B．init

    C．two-way

    D．full


    two-way

  • 第6题：

    OSPF路由器在建立完成邻接关系之后处于的稳定状态是（）

    A．two-way

    B．full

    C．one-way

    D．exchange


    B

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