IS - IS is often considered an alternative to OSPF in the IP world. Which two statements identify similarities between IS -IS and OSPF?（）A、support for designated intermediate systems and backup designated intermediate systemsB、support for multip le areas

题目

IS - IS is often considered an alternative to OSPF in the IP world. Which two statements identify similarities between IS -IS and OSPF?（）

  • A、support for designated intermediate systems and backup designated intermediate systems
  • B、support for multip le areas per router
  • C、support for classless routing
  • D、support for address summarization between areas
  • E、support for both DIS adjacencies and neighbor adjacencies
相似考题

1.You are running OSPF between two ERX Edge Routers across an OC－12c link with HDLC encapsulation.How many designated routers are present for this link?()A.0B.1C.2D.3

2.Rout er R1 directly connects to subnet 10.1.1.0/24 with its Fa0/0 interface. R1 can ping four other working OSPF routers in that subnet. R1 is neither the designated router (DR) nor backup DR (BDR). OSPF is working correctly on all five routers.Which of the following is true on R1?（）A. The show ip ospf neighbors command lists two neighbors off Fa0/0.B. The show ip ospf neighbors command lists four neighbors off Fa0/0.C. The show ip ospf neighbors command lists two neighbors off Fa0/0 in the FULL state.D. The show ip ospf neighbors command lists two neighbors off Fa0/0 in the DISCO state.

3.Which two statements are true about IS －IS routing?()A. Based on the default timers, OSPF d etects a failure faster than IS - IS does.B. OSPF default timers permit more tuning than IS - IS does.C. IS - IS is more efficient than OSPF in the use of CPU resources.D. OSPF is more scalable than IS - IS because of its ability to identify normal, stub, an d NSSA areas.E. IS - IS and OSPF are both Open Standard, link - state routing protocols which support VLSM.

4.Which of the following are true of both OSPFv2 and OSPFv3?()A. The method of choosing an OSPF router IDB. Verification checks that must be validated before two routers can become OSPF neighborsC. Support for route tagsD. Support for multiple instances per inter face

更多“IS - IS is often considered an alternative to OSPF in the IP world. Which two statements identify similarities between IS -IS and OSPF?（）A、support for designated intermediate systems and backup designated intermediate systemsB、support for multip le areas ”相关问题

  • 第1题：

    IS － IS is often considered an alternative to OSPF in the IP world. Which two statements identify similarities between IS －IS and OSPF?()

    A. support for designated intermediate systems and backup designated intermediate systems

    B. support for multip le areas per router

    C. support for classless routing

    D. support for address summarization between areas

    E. support for both DIS adjacencies and neighbor adjacencies


    参考答案：C, D

  • 第2题：

    Refer to the exhibit. What two statements are true?()

    A. This is the designated router (DR) on the FastEthernet 0/0 link.

    B. The output was generated by the show ip interface c ommand.

    C. The router was configured with the commands:r outer ospf 1 network 172.16.6.0 0.0.0.255 area 1

    D. The IP address of the backup designated router (BDR) is FE80::205:5FFF:FED3:5808.

    E. Interface FastEthernet 0/0 was configured with the ipv6 o spf 1 area 1 command.

    F. OSPF version 2 has been enabled to support IPv6.


    参考答案：D, E

  • 第3题：

    On which types of network will OSPF elect a backup designated router()。

    A.point-to-point and multiaccess

    B.point-to-multipoint and multiaccess

    C.point-to-point and point-to-multipoint

    D.nonbroadcast and broadcast multipoint

    E.nonbroadcast and broadcast multiaccess


    参考答案：E

  • 第4题：

    Which of the following are true of both OSPFv2 and OSPFv3?（）

    • A、The method of choosing an OSPF router ID
    • B、Verification checks that must be validated before two routers can become OSPF neighbors
    • C、Support for route tags
    • D、Support for multiple instances per inter face

    正确答案:A,C

  • 第5题：

    On what kinds of networks does OSPF elect a backup designated router?（）

    • A、Point-to-point
    • B、Point to multipoint
    • C、Broadcast
    • D、Non-broadcast multi-access

    正确答案:C,D

  • 第6题：

    Which OSPF network type is ideal for partially meshed NBMA networks because it is easy to configure（requires no configuration of neighbor commands）， consumes only one IP subnet， and requires no designated router election？


    正确答案:Point-to-multipoint.

  • 第7题：

    OSPF stub areas are an important tool for the Network designer； which of the following two shouldbe considered when utilizing OSPF stub areas？ （）

    • A、 OSPF stub areas increase the size of the LSDB with the addition of Type 3 and 5 LSAs
    • B、 OSPF not so stubby areas are particularly useful as a simpler form of summarization
    • C、 OSPF stub areas are always insulated from external changes
    • D、 OSPF totally stubby cannot distinguish among ABRs for the best route to destinationsoutsidethe areas
    • E、 OSPF stub areas can distinguish among ASBRs for destinations that are external to the OSPFdomain

    正确答案:B,D

  • 第8题：

    You are running OSPF between two ERX Edge Routers across an OC-12c link with HDLC encapsulation. How many designated routers are present for this link?（）

    • A、0
    • B、1
    • C、2
    • D、3

    正确答案:A

  • 第9题：

    单选题
    You are running OSPF between two ERX Edge Routers across an OC-12c link with HDLC encapsulation. How many designated routers are present for this link?（）
    A

    0

    B

    1

    C

    2

    D

    3


    正确答案： A
    解析： 暂无解析

  • 第10题：

    多选题
    Which of the following can either directly or indirec tly identify all the interfaces for which both 1) OSPF has been enabled and 2) OSPF is not passive?（）
    A

    show ip ospf database

    B

    show ip ospf interface brief

    C

    show ip protocols

    D

    show ip route ospf

    E

    show ip ospf neighbors


    正确答案： C,A
    解析： 暂无解析

  • 第11题：

    多选题
    Rout er R1 directly connects to subnet 10.1.1.0/24 with its Fa0/0 interface. R1 can ping four other working OSPF routers in that subnet. R1 is neither the designated router (DR) nor backup DR (BDR). OSPF is working correctly on all five routers. Which of the following is true on R1?（）
    A

    The show ip ospf neighbors command lists two neighbors off Fa0/0.

    B

    The show ip ospf neighbors command lists four neighbors off Fa0/0.

    C

    The show ip ospf neighbors command lists two neighbors off Fa0/0 in the FULL state.

    D

    The show ip ospf neighbors command lists two neighbors off Fa0/0 in the DISCO state.


    正确答案： C,A
    解析： 暂无解析

  • 第12题：

    单选题
    On which types of network will OSPF elect a backup designated router?（）
    A

    point-to-point and multiaccess

    B

    point-to-multipoint and multiaccess

    C

    point-to-point and point-to-multipoint

    D

    nonbroadcast and broadcast multipoint

    E

    nonbroadcast and broadcast multiaccess


    正确答案： A
    解析： 暂无解析

  • 第13题：

    Which three statements about OSPF areas are true?()

    A. Areas introduce a boundary on the link - state updates.

    B. Areas are logical definitions specific to any given router.

    C. All routers within an area have the exact link - state database.

    D. The calculation of the Dijkstra algorithm on a router is limited to changes within an area.

    E. The area designated router will always have a priority of 0.


    参考答案：A, C, D

  • 第14题：

    Which one of the following privileged EXEC mode IOS show commands will display the state of the OSPF DR／BDR (designated router ／ backup designated router) election process?()

    A. TK1# show ip ospf interface

    B. TK1# show ip ospf priority

    C. TK1# show ospf neighbor detail

    D. TK1# show ospf processes

    E. TK1# show ospf neighbor state


    参考答案：A

  • 第15题：

    The OSPF Hello protocol performs which of the following tasks (Choose two.)()。

    A.It provides dynamic neighbor discovery.

    B.It detects unreachable neighbors in 90 second intervals.

    C.It maintains neighbor relationships.

    D.It negotiates correctness parameters between neighboring interfaces.

    E.Ituses timers to elect the router with the fastest links as the designated router.

    F.It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF.


    参考答案：A, C

  • 第16题：

    From a design perspective which two of the following OHPF Statements are most relevant？（）

    • A、 OSPF stub areas can be thought of as a simple form of summarization
    • B、 OSPF cannot filter intra area routes
    • C、 An ARR ran only exist in two areas - the backbone and one adjacent area
    • D、 Performance issues in the Backbone area can be offset by allowing some traffic to transit anon-backbone area
    • E、 the size of an area （the LSDB） will be constrained by the size of the IP MTU

    正确答案:A,D

  • 第17题：

    Which three statements about OSPF areas are true?（）

    • A、Areas introduce a boundary on the link - state updates.
    • B、Areas are  logical definitions specific to any given router.
    • C、All routers within an area have the exact link - state database.
    • D、The calculation of the Dijkstra algorithm on a router is limited to changes within an area.
    • E、The area designated router will always  have a priority of 0.

    正确答案:A,C,D

  • 第18题：

    On which types of network will OSPF elect a backup designated router?（）

    • A、point-to-point and multiaccess
    • B、point-to-multipoint and multiaccess
    • C、point-to-point and point-to-multipoint
    • D、nonbroadcast and broadcast multipoint
    • E、nonbroadcast and broadcast multiaccess

    正确答案:E

  • 第19题：

    Which one of the following privileged EXEC mode IOS show commands will display the state of the OSPF DR/BDR (designated router / backup designated router) election process?（）

    • A、TK1# show ip ospf interface
    • B、TK1# show ip ospf priority
    • C、TK1# show ospf neighbor detail
    • D、TK1# show ospf processes
    • E、TK1# show ospf neighbor state

    正确答案:A

  • 第20题：

    Which of the following can either directly or indirec tly identify all the interfaces for which both 1) OSPF has been enabled and 2) OSPF is not passive?（）

    • A、show ip ospf database
    • B、show ip ospf interface brief
    • C、show ip protocols
    • D、show ip route ospf
    • E、show ip ospf neighbors

    正确答案:B,C

  • 第21题：

    问答题
    Which OSPF network type is ideal for partially meshed NBMA networks because it is easy to configure（requires no configuration of neighbor commands）， consumes only one IP subnet， and requires no designated router election？

    正确答案： Point-to-multipoint.
    解析： 暂无解析

  • 第22题：

    多选题
    IS - IS is often considered an alternative to OSPF in the IP world. Which two statements identify similarities between IS -IS and OSPF?（）
    A

    support for designated intermediate systems and backup designated intermediate systems

    B

    support for multip le areas per router

    C

    support for classless routing

    D

    support for address summarization between areas

    E

    support for both DIS adjacencies and neighbor adjacencies


    正确答案： C,D
    解析： 暂无解析

  • 第23题：

    多选题
    Which two statements are true about IS -IS routing?（）
    A

    Based on the default timers, OSPF d etects a failure faster than IS - IS does.

    B

    OSPF default timers permit more tuning than IS - IS does.

    C

    IS - IS is more efficient than OSPF in the use of CPU resources.

    D

    OSPF is more scalable than IS - IS because of its ability to identify normal, stub, an d NSSA areas.

    E

    IS - IS and OSPF are both Open Standard, link - state routing protocols which support VLSM.


    正确答案： D,C
    解析： 暂无解析

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