单选题Two Level 2 routers are exchanging Hello packets with different Area IDs. What occurs between these routers?（）A An Adjacency forms.B An Adjacency does not form.C An Adjacency forms but traffic is not forwarded.D No IS-IS PDUs are sent.

题目

单选题

Two Level 2 routers are exchanging Hello packets with different Area IDs. What occurs between these routers?（）

An Adjacency forms.

An Adjacency does not form.

An Adjacency forms but traffic is not forwarded.

No IS-IS PDUs are sent.

参考答案和解析

正确答案： B

解析：暂无解析

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第1题

Refer to the exhibit. OSPF is configured on all routers in the network. On the basis of the show ip ospf n eighbor output, what prevents R1 from establishing a full adjacency with R2? ()A. Router R1 will only establish full adjacency with the DR and BDR on broadcast multi- access networks.B. Router R2 has been elected as a DR for the broadcast multiaccess network in OSPF area 1.C. Routers R1 and R2 are configured as stub routers for OSPF area 1 and OSPF area 2.D. Router R1 and R2 are configured for a virtual link between OSPF area 1 and OSPF area 2.E. The Hello parameters on routers R1 and R2 do not m atch.

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第2题

When troubleshooting an EIGRP connectivity problem, you notice that two connected EIGRP routers are not becoming EIGRP neighbors. A ping between the two routers was successful.What is the next thing that should be checked?（）A. Verify that the EIGRP hello and hold timers match exactly.B. Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP peer command.C. Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP traffic command.D. Verify that EIGRP is enabled for the appropriate networks on the local and neighboring router.

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第3题

If the OSPF protocol is used to connect customer edge （CE） routers to service provider edge（PE） routers in the VPN backbone， which two options best describe the use of SHAM links？（）A、A sham-link is created between any twoo VPN sites that belong to the same OSPF area and share an OSPF backdoor linkB、A sham-link is seen as an intra-area link between PE routers，an OSPF adjacency is created and data base is exchangedC、A SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor doorD、A SHAM link is part of OSPF network of MPLS-VPN provider

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第4题

Which statement is correct about an OSPF sham-link？（）A、A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.B、A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.C、A sham-link is a logical link between PE routers that carries OSPF LSAs and forwards customer traffic across it.D、A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.E、A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.

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第5题

Which of the following must match for two directly connected routers running OSPF to establish a neighbor adjacency?（）A、area IDsB、process IDsC、router IDsD、hello timers

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第6题

Two Level 1 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）A、An Adjacency is formed.B、No IS-IS PDUs are sentC、An Adjacency does not form.D、An Adjacency forms but traffic is not forwarded.

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第7题

What command would you use to view an IS-IS adjacency?（）A、show iso neighborB、show isis neighborC、show iso adjacencyD、show isis adjacency

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单选题Two Level 2 routers are exchanging Hello packets with different Area IDs. What occurs between these routers?（）A An Adjacency forms.B An Adjacency does not form.C An Adjacency forms but traffic is not forwarded.D No IS-IS PDUs are sent.

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参考答案和解析

更多“单选题Two Level 2 routers are exchanging Hello packets with different Area IDs. What occurs between these routers?（）A An Adjacency forms.B An Adjacency does not form.C An Adjacency forms but traffic is not forwarded.D No IS-IS PDUs are sent.”相关问题

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