更多“单选题What type of router cannot exist within a stub area?()A  ABRB  ASBRC  internal routerD  non-backbone router”相关问题
  • 第1题:

    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 LSA

    B. type 2 Network LSA

    C. type 3 Network Summary LSA

    D. type 4 ASBR Summary LSA

    E. type 5 AS External LSA

    F. type 7 NSSA External LSA


    参考答案:A, F

  • 第2题:

    Refer to the exhibit. Router C was configured so that it could form an adja cency with three OSPF neighbors, one connected to each of its three physical interfaces. Which statement is correct about router C?()

    A. It is configured and functioning correctly as an OSPF internal router.

    B. It is configured and functioning correc tly as an ABR attached to stub area 4.

    C. It is configured and functioning correctly as an ASBR attached to external area 4.

    D. It is configured and functioning correctly as an ABR attached to totally stubby area 4.

    E. It is not configured correctly to function as specified.


    参考答案:D

  • 第3题:

    Refer to the exhibit. What three statements are true about the IS - IS configuration?()

    A.The router is in area 49.0001.0002

    B.The router acts as a Level 1 - 2 router

    C.CLNS routing is enable d for the router

    D.The router has a system ID of 0003.0004

    E.The interfaces have a functional IS - IS configuration

    F.The network service access point selector (NSEL) byte has a value of 0


    参考答案:B, E, F

  • 第4题:

    Refer to the diagram. Which OSPF configuration command is required to configure Area 3 a s atotally stubby area?()

    A. On the ABR router ospf 10 area 3 stub

    B. On all Area 3 routers router ospf 10 area 3 stub

    C. On all Area 3 routers router ospf 10 area 3 stub no - summary

    D. On the ABR router ospf 10 area 3 nssa

    E. On the ABR rou ter ospf 10 area 3 stub no - summary


    参考答案:E

  • 第5题:

    在OSPF路由协议中,一台ABR(AreaBorderRouter)同时可以是如下哪些角色().

    A.IR(Internal Router)

    B.BR(Backbone Router)

    C.ASBR

    D.Stub Router


    参考答案:B, C

  • 第6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7题:

    An OSPF non-backbone area allows external routes to be flooded within the area. These external routes are propagated into other areas. However, external routes from other areas are not allowed to enter this area. Which type of SPF area does this describe?()

    • A、stub area
    • B、transit area
    • C、border area
    • D、not-so-stubby area

    正确答案:D

  • 第8题:

    在OSPF路由协议中,一台ABR(AreaBorderRouter)同时可以是如下哪些角色().

    • A、IR(Internal Router)
    • B、BR(Backbone Router)
    • C、ASBR
    • D、Stub Router

    正确答案:B,C

  • 第9题:

    You are developing a verification plan for an upcoming OSPF implementation. Part of this plan is to verify the status of type 3 LSAs within the network. Which routers should you verify first to ensure that the configuration s are correct for generating type 3 LSAs?()

    • A、Internal routers within the backbone area (area 0)
    • B、Internal routers within the NSSAs
    • C、Internal routers within the stubby areas
    • D、ASBRs
    • E、ABRs
    • F、DRs and BDRs

    正确答案:E

  • 第10题:

    What type of router cannot exist within a stub area?()

    • A、 ABR
    • B、 ASBR
    • C、 internal router
    • D、 non-backbone router

    正确答案:B

  • 第11题:

    单选题
    Which of the following is an OSPF configuration parameter that is used on an ABR, but not on an internal router?()
    A

    A virtual link to area 0.

    B

    OSPF summarization command.

    C

    default - cost extension to the area command.

    D

    no - summary extension to the area stub comm and.

    E

    None of the other alternatives apply


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    Why would you make a non-backbone area a stub or not-so-stubby area?()
    A

     to aggregate routes learned from the ABR

    B

     to lower the cost of routes advertised by the ABR

    C

     to connect a non-contiguous area to the backbone

    D

     to decrease the size of the link-state database in that area


    正确答案: D
    解析: 暂无解析

  • 第13题:

    Refer to the exhibit. What additional commands should be used to configure OSPF area 5 as a Totally Stubby area? ()

    A. area 0 stub o n routers R4 and R5

    B. area 5 stub on routers R4 and R5

    C. area 5 stub no - summary on routers R4 and R5

    D. area 0 stub no - summary on router R4 and area 5 stub no - summary on router R5

    E. area 5 stub no - summary on router R4 and area 5 stub on router R5


    参考答案:E

  • 第14题:

    You are developing a verification plan for an upcoming OSPF implementation. Part of this plan is to verify the status of type 3 LSAs within the network. Which routers should you verify first to ensure that the configuration s are correct for generating type 3 LSAs?()

    A. Internal routers within the backbone area (area 0)

    B. Internal routers within the NSSAs

    C. Internal routers within the stubby areas

    D. ASBRs

    E. ABRs

    F. DRs and BDRs


    参考答案:E

  • 第15题:

    Which of the following is an OSPF configuration parameter that is used on an ABR, but not on an internal router?()

    A. A virtual link to area 0.

    B. OSPF summarization command.

    C. default - cost extension to the area command.

    D. no - summary extension to the area stub comm and.

    E. None of the other alternatives apply


    参考答案:D

  • 第16题:

    Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true?()

    A. Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.

    B. Router C will use ICMP to inform Router B that Host 2 cannot be reached.

    C. Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached.

    D. Router C will send a Destination Unreachable message type.

    E. Router C will send a Router Selection message type.

    F. Router C will send a Source Quench message type.


    参考答案:A, D

  • 第17题:

    Which of the following is an OSPF configuration parameter that is used on an ABR, but not on an internal router?()

    • A、A virtual link to area 0.
    • B、OSPF summarization command.
    • C、default - cost extension to the area command.
    • D、no - summary extension to the area stub comm and.
    • E、None of the other alternatives apply

    正确答案:D

  • 第18题:

    Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true (Choose two.)()。

    • A、Router C will use ICMP to inform Host 1 that Host 2 cannot be reached
    • B、Router C will use ICMP to inform Router B that Host 2 cannot be reached
    • C、Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached
    • D、Router C will send a Destination Unreachable message type
    • E、Router C will send a Router Selection message type
    • F、Router C will send a Source Quench message type

    正确答案:A,D

  • 第19题:

    Why would you make a non-backbone area a stub or not-so-stubby area?()

    • A、 to aggregate routes learned from the ABR
    • B、 to lower the cost of routes advertised by the ABR
    • C、 to connect a non-contiguous area to the backbone
    • D、 to decrease the size of the link-state database in that area

    正确答案:D

  • 第20题:

    Area Border Router (ABR) is a router located on the border of one or more OSPF areas that connect those areas to the backbone network. An ABR will inject a default route into which two types of areas?()

    • A、Area 0
    • B、NSSA
    • C、Totally stubby
    • D、Stub

    正确答案:C,D

  • 第21题:

    What type of OSPF router is responsible for redistributing routes into OSPF?()

    • A、ABR
    • B、ASBR
    • C、internal router
    • D、backbone router

    正确答案:B

  • 第22题:

    An OSPF non-backbone area allows external routes to be flooded within the area. These externalroutes are propagated into other areas. However, external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe?()

    • A、stub area
    • B、transit area
    • C、border area
    • D、not-so-stubby area

    正确答案:D

  • 第23题:

    单选题
    What type of router cannot exist within a stub area?()
    A

     ABR

    B

     ASBR

    C

     internal router

    D

     non-backbone router


    正确答案: D
    解析: 暂无解析

  • 第24题:

    单选题
    What type of OSPF router is responsible for redistributing routes into OSPF?()
    A

    ABR

    B

    ASBR

    C

    internal router

    D

    backbone router


    正确答案: C
    解析: 暂无解析