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单选题Which router translates the Type 7 LSAs into Type 5 LSAs, according to RFC 1587 (OSPF NSSAOption) in an OSPF NSSA with more than one ABR?（）A The router receiving the route translates the Type 7 LSA into a Type 5 LSA.B The ABR with the lowest router ID

题目
单选题
Which router translates the Type 7 LSAs into Type 5 LSAs, according to RFC 1587 (OSPF NSSAOption) in an OSPF NSSA with more than one ABR?（）
A

The router receiving the route translates the Type 7 LSA into a Type 5 LSA.

B

The ABR with the lowest router ID translates all Type 7 LSAs into Type 5 LSAs.

C

The ABR with the highest router ID translates all Type 7 LSAs into Type 5 LSAs.

D

All ABRs translate the Type 7 LSAs into Type 5 LSAs depending on which one has the lowest cost to the route.

相似考题

1.OSPFv3 interarea－prefix－LSAs are most similar to which OSPFv2 LSA type?()A. Type 7 LSAsB. Type 4 summary LSAsC. Type 3 summary LSAsD. Type 5 AS-external LSAs

2.A verification plan shows a network diagram with branch office Routers B1 through B100, plus two ABRs, ABR1, and ABR2, all in area 100. The branches connect to the ABRs using Frame Relay point - to - point subinterfaces. The verification plan lists the output of the show i p ospf database summary 10.100.0.0 command on a router B1, one of the branches.Which of the following is true regarding the output that could be listed for this command?（）A. The output lists nothing unless 10.100.0.0 has been configured as a summary rou te using the area range command.B. If 10.100.0.0 is a subnet in area 0, the output lists one Type 3 LSA, specifically the LSA with the lower metric when comparing ABR1‘s and ABR2‘s LSA for 10.100.0.0.C. If 10.100.0.0 is a subnet in area 0, the output lists two Type 3 LSAs, one each created by BR1 and ABR2.D. None, because the Type 3 LSAs would exist only in the ABR‘s LSDBs.

3.Refer to the exhibit. OSPF is configured on all routers in the network. Area 5 is configured as an NSSA areA. The RIPv2 routes are redistributed into the OSPF domain on router R5. What two types of LSAs will be originated by router R5?（）A. type 1 Router LSAB. type 2 Network LSAC. type 3 Network Summary LSAD. type 4 ASBR Summary LSAE. type 5 AS External LSAF. type 7 NSSA External LSA

4.Which router translates the Type 7 LSAs into Type 5 LSAs, according to RFC 1587 (OSPF NSSAOption) in an OSPF NSSA with more than one ABR?()A. The router receiving the route translates the Type 7 LSA into a Type 5 LSA.B. The ABR with the lowest router ID translates all Type 7 LSAs into Type 5 LSAs.C. The ABR with the highest router ID translates all Type 7 LSAs into Type 5 LSAs.D. All ABRs translate the Type 7 LSAs into Type 5 LSAs depending on which one has the lowest cost to the route.

更多“单选题Which router translates the Type 7 LSAs into Type 5 LSAs, according to RFC 1587 (OSPF NSSAOption) in an OSPF NSSA with more than one ABR?（）A The router receiving the route translates the Type 7 LSA into a Type 5 LSA.B The ABR with the lowest router ID ”相关问题

  • 第1题：

    When verifying the OSPF link state database, which type of LSAs should you expect to see within the different OS PF area types?()

    A. All OSPF routers in stubby areas can have type 3 LSAs in their database.

    B. All OSPF routers in stubby areas can have type 7 LSAs in their database.

    C. All OSPF routers in totally stubby areas can have type 3 LSAs in their database.

    D. All OSPF routers in totally stubby areas can have type 7 LSAs in their database.

    E. All OSPF routers in NSSA areas can have type 3 LSAs in their database.

    F. All OSPF routers in NSSA areas can have type 7 LSAs in their database.


    参考答案：A, E, F

  • 第2题：

    Which is true about OSPF router－id?()

    A.It is used for type 1 router LSA

    B.Highest IP address of the loopback is used

    C.router-id needs to be matched on ospf neighbors

    D.router-id is 16 bit


    参考答案：A, B

  • 第3题：

    Which is true about OSPF router-id?（）

    • A、It is used for type 1 router LSA
    • B、Highest IP address of the loopback is used
    • C、router-id needs to be matched on ospf neighbors
    • D、router-id is 16 bit

    正确答案:A,B

  • 第4题：

    Which router is doing LSA type 7 to type 5 translation，and why？（）

    • A、Both RTA and RTB will do LSA7/5 translation，since they are both NSSA ABRs
    • B、RTA will do LSA7/5 translation，since it has the lower router ID
    • C、RTB will do LSA7/5 translation，since it has the higher router ID
    • D、The redistributing router will do LSA7/5 translation，since it is within the NSSA

    正确答案:C

  • 第5题：

    Which statement best describes OSPF external LSAs （type 5）？（）

    • A、OSPF external LSAs are automatically flooded into all OSPF areas， unlike type 7 LSAs， which require that redistribution be configured.
    • B、External LSAs （type 5） are automatically changed to type 1 LSAs at ASBRs.
    • C、Type 5 LSAs are route summaries describing routes to networks outside the OSPF Autonomous System.
    • D、External network LSAs （type 5） redistributed from other routing protocols into OSPF are not permitted to flood into a stub area.

    正确答案:D

  • 第6题：

    Which three statements about OSPF partial SPF are true？（）

    • A、If it is triggered by Type 4， all Type 4 LSAs that announce a certain ASBR and all Type 5 and 7 LSAs are processed
    • B、If it is triggered by Types 5 and 7， all Type 5 and 7 LSAs that contribute to a certain destination are processed.
    • C、If it is triggered by Type 2， all Type 2 LSAs that contribute to a certain destination are processed.
    • D、If it is triggered by the change of Type 3， 4， 5， and 7 LSAs.
    • E、If it is triggered by the change of Type 2， 3， 5， and 7 LSAs

    正确答案:A,B,D

  • 第7题：

    Which router translates the Type 7 LSAs into Type 5 LSAs, according to RFC 1587 (OSPF NSSAOption) in an OSPF NSSA with more than one ABR?（）

    • A、The router receiving the route translates the Type 7 LSA into a Type 5 LSA.
    • B、The ABR with the lowest router ID translates all Type 7 LSAs into Type 5 LSAs.
    • C、The ABR with the highest router ID translates all Type 7 LSAs into Type 5 LSAs.
    • D、All ABRs translate the Type 7 LSAs into Type 5 LSAs depending on which one has the lowest cost to the route.

    正确答案:C

  • 第8题：

    Which LSA is used in JUNOS software when a OSPF router restarts？（）

    • A、LSA Type 6
    • B、LSA Type 9
    • C、LSA Type 10
    • D、LSA Type 11

    正确答案:B

  • 第9题：

    单选题
    Which show command will display only the Type 5 LSAs in the OSPF topology database？（）
    A

    show ip ospf database external

    B

    show ip ospf database nssa - external

    C

    show ip route ospf

    D

    show ip ospf datab ase summary

    E

    show ip route


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    Which statement best describes OSPF external LSAs （type 5）？（）
    A

    OSPF external LSAs are automatically flooded into all OSPF areas, unlike type 7 LSAs, which require that redistribution be configured.

    B

    External LSAs (type 5) are automatically changed to type 1 LSAs at ASBRs.

    C

    Type 5 LSAs are route summaries describing routes to networks outside the OSPF Autonomous System.

    D

    External network LSAs (type 5) redistributed from other routing protocols into OSPF are not permitted to flood into a stub area


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    Which router translates the Type 7 LSAs into Type 5 LSAs, according to RFC 1587 (OSPF NSSAOption) in an OSPF NSSA with more than one ABR?（）
    A

    The router receiving the route translates the Type 7 LSA into a Type 5 LSA.

    B

    The ABR with the lowest router ID translates all Type 7 LSAs into Type 5 LSAs.

    C

    The ABR with the highest router ID translates all Type 7 LSAs into Type 5 LSAs.

    D

    All ABRs translate the Type 7 LSAs into Type 5 LSAs depending on which one has the lowest cost to the route.


    正确答案： C
    解析： 暂无解析

  • 第12题：

    多选题
    Which three statements about OSPF partial SPF are true？（）
    A

    If it is triggered by Type 4， all Type 4 LSAs that announce a certain ASBR and all Type 5 and 7 LSAs are processed

    B

    If it is triggered by Types 5 and 7， all Type 5 and 7 LSAs that contribute to a certain destination are processed.

    C

    If it is triggered by Type 2， all Type 2 LSAs that contribute to a certain destination are processed.

    D

    If it is triggered by the change of Type 3， 4， 5， and 7 LSAs.

    E

    If it is triggered by the change of Type 2， 3， 5， and 7 LSAs


    正确答案： B,D
    解析： 暂无解析

  • 第13题：

    Which two design recommendations are most appropriate when OSPF is the data center core routing protocol? ()

    A. Never use passive interfaces.

    B. Use NSSA areas from the core down.

    C. Use totally stub areas to stop type 3 LSAs.

    D. Use the lowest Ethernet interface IP address as the router ID.

    E. Tune OSPF timers to enable OSPF to achieve quicker convergence.


    参考答案：B, E

  • 第14题：

    在NSSA区域有多个ABR时，并不是所有ABR都能把7类LSA转换成5类LSA的。因为按RFC1587：OSPFNSSAOption的规定，在NSSA区域有多个ABR时，只有最大的RouterID的ABR将type7LSA负责转换为type5LSA。


    正确答案:正确

  • 第15题：

    What OSPF LSA is used to support MPLS-traffic Engineering ？（）

    • A、External LSA （Type 5 ）
    • B、Opaque LSA （Type 9 ）
    • C、Opaque LSA （Type 10 ）
    • D、Opaque LSA （Type 11 ）
    • E、NSSA LSA （Type 7 ）

    正确答案:C

  • 第16题：

    Which of the following are not true OSPF LSA rules？（）

    • A、OSPF LSA type 5 triggers an LSA type 7 at an ABR between an NSSA and the backbone area
    • B、OSPF LSA type 1 triggers an LSA type 3 at an ABR.
    • C、OSPF LSA type 7 triggers an LSA type 5 at an ABR between an NSSA and the backbone area
    • D、OSPF LSA type 3 triggers an LSA type 4 at an ABR.
    • E、OSPF LSA type 5 triggers an LSA type 7 at an A5BR but only in N5SAs
    • F、OSFP LSA type 2 triggers an LSA type 3 at an ABR

    正确答案:A,D,E

  • 第17题：

    Which two design recommendations are most appropriate when OSPF is the data center core routing protocol？ （）

    • A、 Never use passive interfaces.
    • B、 Use NSSA areas from the core down.
    • C、 Use totally stub areas to stop type 3 LSAs.
    • D、 Use the lowest Ethernet interface IP address as the router ID.
    • E、 Tune OSPF timers to enable OSPF to achieve quicker convergence

    正确答案:B,E

  • 第18题：

    Which show command will display only the Type 5 LSAs in the OSPF topology database？（）

    • A、show ip ospf database external
    • B、show ip ospf database nssa - external
    • C、show ip route ospf
    • D、show ip ospf datab ase summary
    • E、show ip route

    正确答案:A

  • 第19题：

    You want to limit the number of Type 7 LSAs to be converted into Type 5 LSAs at an appropriateABR. Which two commands should you use from the [edit] hierarchy level within JUNOS configuration mode?（）

    • A、set protocols ospf area-range network/mask-length
    • B、set protocols ospf area area-id nssa area-range network/mask-length
    • C、set protocols ospf area area-id area-range network/mask-length restrict
    • D、set protocols ospf area area-id nssa area-range network/mask-length restrict

    正确答案:B,D

  • 第20题：

    OSPFv3 interarea-prefix-LSAs are most similar to which OSPFv2 LSA type?（）

    • A、Type 7 LSAs
    • B、Type 4 summary LSAs
    • C、Type 3 summary LSAs
    • D、Type 5 AS-external LSAs

    正确答案:C

  • 第21题：

    单选题
    Which router is doing LSA type 7 to type 5 translation，and why？（）
    A

    Both RTA and RTB will do LSA7/5 translation，since they are both NSSA ABRs

    B

    RTA will do LSA7/5 translation，since it has the lower router ID

    C

    RTB will do LSA7/5 translation，since it has the higher router ID

    D

    The redistributing router will do LSA7/5 translation，since it is within the NSSA


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    A verification plan shows a network diagram with branch office Routers B1 through B100, plus two ABRs, ABR1, and ABR2, all in area 100. The branches connect to the ABRs using Frame Relay point - to - point subinterfaces. The verification plan lists the output of the show i p ospf database summary 10.100.0.0 command on a router B1, one of the branches. Which of the following is true regarding the output that could be listed for this command?（）
    A

    The output lists nothing unless 10.100.0.0 has been configured as a summary rou te using the area range command.

    B

    If 10.100.0.0 is a subnet in area 0, the output lists one Type 3 LSA, specifically the LSA with the lower metric when comparing ABR1's and ABR2's LSA for 10.100.0.0.

    C

    If 10.100.0.0 is a subnet in area 0, the output lists two Type 3 LSAs, one each created by BR1 and ABR2.

    D

    None, because the Type 3 LSAs would exist only in the ABR's LSDBs.


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    Which LSA is used in JUNOS software when a OSPF router restarts？（）
    A

    LSA Type 6

    B

    LSA Type 9

    C

    LSA Type 10

    D

    LSA Type 11


    正确答案： A
    解析： 暂无解析

  • 第24题：

    多选题
    Which of the following are not true OSPF LSA rules？（）
    A

    OSPF LSA type 5 triggers an LSA type 7 at an ABR between an NSSA and the backbone area

    B

    OSPF LSA type 1 triggers an LSA type 3 at an ABR.

    C

    OSPF LSA type 7 triggers an LSA type 5 at an ABR between an NSSA and the backbone area

    D

    OSPF LSA type 3 triggers an LSA type 4 at an ABR.

    E

    OSPF LSA type 5 triggers an LSA type 7 at an A5BR but only in N5SAs

    F

    OSFP LSA type 2 triggers an LSA type 3 at an ABR


    正确答案： C,B
    解析： 暂无解析

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