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?（）
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.

相似考题

1.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

2.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.

3.Which two IS－IS hello values must match to form a Level 1 IS－IS adjacency? ()A.AFIB.AreaC.System idD.N-Selector

4.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.

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

  • 第1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.0

    B.1

    C.2

    D.3


    参考答案：B

  • 第2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.


    参考答案：C

  • 第3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.


    参考答案：D

  • 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.

    正确答案:B

  • 第5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 sent
    • C、An Adjacency does not form.
    • D、An Adjacency forms but traffic is not forwarded.

    正确答案:C

  • 第6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.

    正确答案:A

  • 第7题：

    Which two IS-IS hello values must match to form a Level 1 IS-IS adjacency? （）

    • A、AFI
    • B、Area
    • C、System id
    • D、N-Selector

    正确答案:A,B

  • 第8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

    0

    B

    1

    C

    2

    D

    3


    正确答案： C
    解析： 暂无解析

  • 第9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.


    正确答案： A
    解析： 暂无解析

  • 第10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.


    正确答案： B
    解析： 暂无解析

  • 第11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 sent

    C

    An Adjacency does not form.

    D

    An Adjacency forms but traffic is not forwarded.


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    What command would you use to view an IS-IS adjacency?（）
    A

    show iso neighbor

    B

    show isis neighbor

    C

    show iso adjacency

    D

    show isis adjacency


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Which of the following must match for two directly connected routers running OSPF to establish a neighbor adjacency?()

    A. area IDs

    B. process IDs

    C. router IDs

    D. hello timers


    参考答案：A, D

  • 第14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.


    参考答案：A

  • 第15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 link
    • B、A sham-link is seen as an intra-area link between PE routers，an OSPF adjacency is created and data base is exchanged
    • C、A SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor door
    • D、A SHAM link is part of OSPF network of MPLS-VPN provider

    正确答案:A,B

  • 第16题：

    Which of the following must match for  two directly connected routers running OSPF to establish a neighbor adjacency?（）

    • A、area IDs
    • B、process IDs
    • C、router IDs
    • D、hello timers

    正确答案:A,D

  • 第17题：

    What command would you use to view an IS-IS adjacency?（）

    • A、show iso neighbor
    • B、show isis neighbor
    • C、show iso adjacency
    • D、show isis adjacency

    正确答案:D

  • 第18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、0
    • B、1
    • C、2
    • D、3

    正确答案:B

  • 第19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.

    正确答案:A

  • 第20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？（）
    A

    A sham-link is created between any twoo VPN sites that belong to the same OSPF area and share an OSPF backdoor link

    B

    A sham-link is seen as an intra-area link between PE routers，an OSPF adjacency is created and data base is exchanged

    C

    A SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor door

    D

    A SHAM link is part of OSPF network of MPLS-VPN provider


    正确答案： D,C
    解析： 暂无解析

  • 第21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?（）
    A

    All of the routers need to be configured for backbone Area 1.

    B

    R1 and R2 are the DR and BDR, so OSPF will not establish neighbor adjacency with R3.

    C

    A static route has been configured from R1 to R3 and prevents the neighbor adjacency from being established.

    D

    The hello and dead interval timers are not set to the same values on R1 and R3.

    E

    EIGRP is also configured on these routers with a lower administrative distance.

    F

    R1 and R3 are configured in different areas.


    正确答案： B,F
    解析： 暂无解析

  • 第22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.


    正确答案： B
    解析： 暂无解析

  • 第23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.


    正确答案： D
    解析： 暂无解析

  • 第24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

    0

    B

    1

    C

    2

    D

    3


    正确答案： C
    解析： 暂无解析

相关内容