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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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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.” 相关考题
考题
Routers A and B are connected with a point-to-point OC-3 interface. Each router‘s OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area.How many IS-IS adjacencies exist between the two routers?（）A.0B.1C.2D.3
考题
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.
考题
Two Level 2 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 sent.C. An Adjacency does not form.D. An Adjacency forms but traffic is not forwarded.
考题
Which two IS－IS hello values must match to form a Level 1 IS－IS adjacency? ()
A.AFIB.AreaC.System idD.N-Selector
考题
Routers A and B are connected with a point-to-point OC-3 interface. Each routers OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in different areas. How many IS-IS adjacencies exist between the two routers?（）A.0B.1C.2D.3
考题
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
考题
Refer to the exhibit. On the basis of the configuration provided, how are the Hello packets sent by R2 handled by R5 in OSPF area 5?()
A. The Hello packets will be exchanged and adjacency will be established between routers R2 and R5.B. The Hello packets will be exchanged but the routers R2 and R5 will become neighbors only.C. The Hello packets will be dropped and no adjacency will be established between routers R2 and R5.D. The Hello packets will be dropped but the routers R 2 and R5 will become neighbors.
考题
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.
考题
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.
考题
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
考题
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.
考题
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
考题
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.
考题
What command would you use to view an IS-IS adjacency?（）A、show iso neighborB、show isis neighborC、show iso adjacencyD、show isis adjacency
考题
Two Level 2 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 sent.C、An Adjacency does not form.D、An Adjacency forms but traffic is not forwarded.
考题
Routers A and B are connected with a point-to-point OC-3 interface. Each routers OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in different areas. How many IS-IS adjacencies exist between the two routers?（）A、0B、1C、2D、3
考题
Which two IS-IS hello values must match to form a Level 1 IS-IS adjacency? （）A、AFIB、AreaC、System idD、N-Selector
考题
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.
考题
单选题Routers A and B are connected with a point-to-point OC-3 interface. Each routers OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in different areas. How many IS-IS adjacencies exist between the two routers?（）A
0B
1C
2D
3
考题
多选题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？（）AA sham-link is created between any twoo VPN sites that belong to the same OSPF area and share an OSPF backdoor linkBA sham-link is seen as an intra-area link between PE routers，an OSPF adjacency is created and data base is exchangedCA SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor doorDA SHAM link is part of OSPF network of MPLS-VPN provider
考题
单选题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.
考题
多选题Refer to the graphic. R1 is unable to establish an OSPF neighbor relationship with R3. What are possible reasons for this problem?（）AAll of the routers need to be configured for backbone Area 1.BR1 and R2 are the DR and BDR, so OSPF will not establish neighbor adjacency with R3.CA static route has been configured from R1 to R3 and prevents the neighbor adjacency from being established.DThe hello and dead interval timers are not set to the same values on R1 and R3.EEIGRP is also configured on these routers with a lower administrative distance.FR1 and R3 are configured in different areas.
考题
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.
考题
单选题Two Level 2 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 sent.C
An Adjacency does not form.D
An Adjacency forms but traffic is not forwarded.
考题
单选题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.
考题
单选题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.
考题
单选题What command would you use to view an IS-IS adjacency?（）A
show iso neighborB
show isis neighborC
show iso adjacencyD
show isis adjacency
考题
单选题Routers A and B are connected with a point-to-point OC-3 interface. Each router's OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area. How many IS-IS adjacencies exist between the two routers?（）A
0B
1C
2D
3
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