Which of the following is true about routers internal to a totally NSSA area?()A. Routers cannot redistribute external routes into the area.B. Routers should have zero Type 3 LSAs in their LSDBs.C. Routers should have zero Type 5 LSAs in their LSDBs.D. Ro

题目
Which of the following is true about routers internal to a totally NSSA area?()

A. Routers cannot redistribute external routes into the area.

B. Routers should have zero Type 3 LSAs in their LSDBs.

C. Routers should have zero Type 5 LSAs in their LSDBs.

D. Routers should learn default routes from the ABRs attached to the area.


相似考题
更多“Which of the following is true about routers internal to a totally NSSA area?() ”相关问题
  • 第1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2题:

    Refer to the exhibit. OSPF has been configured on all routers in the network and Area 1 has been configured as a NSSA. Which statement is true about the NSSA Area 1?()

    A. Only redistributed RIP routes will appear in Area 1. They will be advertised via t ype 7 LSAs

    B. No redistributed routes can appear in Area 1, only summary routes

    C. Redistributed RIP and IGRP routes will appear in Area 1. They will be advertised via type 5 LSAs

    D. Only redistributed IGRP routes will appear in Area 1. They will be advertised via type 7 LSAs


    参考答案:D

  • 第3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4题:

    ABR R1 has been configured with an area 1 stub no - summary command. Which stubby area type is area 1?()

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

    正确答案:B

  • 第5题:

    Which of the following statements is TRUE about the primary system dump device?()

    • A、 It is shared. 
    • B、 It must be /dev/hd6. 
    • C、 It must be an internal disk. 
    • D、 It can be an external device.

    正确答案:D

  • 第6题:

    A network de sign shows area 1 with three internal routers, area 0 with four internal routers, and area 2 with five internal routers. Additionally, one ABR (ABR1) connects areas 0 and 1, plus a different ABR (ABR2) connects areas 0 and 2. How many Type 1 LSAs would b e listed in ABR2's LSDB?()

    • A、6
    • B、7
    • C、15
    • D、12
    • E、None of the other answers is correct.

    正确答案:D

  • 第7题:

    Which one of the following answer choices below is true regarding the OSPF topology database?()

    • A、All entries in the topology database will be included on each router.
    • B、All routers in the same OSPF area will have one topology database.
    • C、The Dijkstra algorithm is used in the creation of the topology database.
    • D、LSA packets are used to update and maintain the topology database.

    正确答案:D

  • 第8题:

    Which three statements about BGP confederation and route reflectors are true? ()

    • A、Clusters are used in confederation schemes to avoid loops.
    • B、BGP network can have a confederation within a route reflector area.
    • C、An internal BGP network cannot have a route reflector within a confederation.
    • D、An internal BGP network can have a route reflector within a confederation.
    • E、Clusters are used in route reflector schemes to avoid loops.
    • F、BGP network cannot have a confederation within a route reflector area.

    正确答案:D,E,F

  • 第9题:

    多选题
    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: B,E
    解析: 暂无解析

  • 第10题:

    多选题
    Which of the following is true about routers internal to a totally NSSA area?()
    A

    Routers cannot redistribute external routes into the area.

    B

    Routers should have zero Type 3 LSAs in their LSDBs.

    C

    Routers should have zero Type 5 LSAs in their LSDBs.

    D

    Routers should learn default routes from the ABRs attached to the area.


    正确答案: B,D
    解析: 暂无解析

  • 第11题:

    单选题
    Which statement is true about IBGP routers? ()
    A

    They must be fully meshed

    B

    They can be in a different AS

    C

    They must be directly connected


    正确答案: A
    解析: 暂无解析

  • 第12题:

    单选题
    Which of the following is true about an OSPF area border router (ABR)?()
    A

    The ABR must have multiple interfaces connected to the backbone areA

    B

    An ABR is a router with two interfaces, each connected to a different nonbackbone areA

    C

    The only requirement to be considered an  ABR is at least one interface connected to the backbone areA

    D

    An ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA


    正确答案: A
    解析: 暂无解析

  • 第13题:

    Which statement is true about IBGP routers? ()

    A. They must be fully meshed

    B. They can be in a different AS

    C . They do not need to be directly connected

    D. They must be directly connected


    参考答案:C

  • 第14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.

    正确答案:A,E,F

  • 第15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16题:

    Which of the following is true about routers internal to a totally NSSA area?()

    • A、Routers cannot redistribute external routes into the area.
    • B、Routers should have zero Type 3 LSAs in their LSDBs.
    • C、Routers should have zero Type 5 LSAs in their LSDBs.
    • D、Routers should learn default routes from the ABRs attached to the area.

    正确答案:C,D

  • 第17题:

    Which statement is true about IBGP routers? ()

    • A、They must be fully meshed
    • B、They can be in a different AS
    • C、They must be directly connected

    正确答案:C

  • 第18题:

    Which two statements about the IS -IS routing protocol are true?()

    • A、IS - IS is capable of supporting IPv4 and IPv6.
    • B、IS - IS is only capable of supporting IPv4 and CLNS.
    • C、IS - IS routers use ES - IS hellos (ESH) to establish and to maintain neighbor relationships.
    • D、IS - IS routers run the Bellman - Ford algorithm against their LSDBs to pick the best paths.
    • E、Level 1 routers learn about paths within the area of which they are a part.
    • F、Level 2 routers learn about paths both within areas and between areas.

    正确答案:A,E

  • 第19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20题:

    Which of the following is true about an OSPF area border router (ABR)?()

    • A、The ABR must have multiple interfaces connected to the backbone areA
    • B、An ABR is a router with two interfaces, each connected to a different nonbackbone areA
    • C、The only requirement to be considered an  ABR is at least one interface connected to the backbone areA
    • D、An ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA

    正确答案:D

  • 第21题:

    单选题
    A network de sign shows area 1 with three internal routers, area 0 with four internal routers, and area 2 with five internal routers. Additionally, one ABR (ABR1) connects areas 0 and 1, plus a different ABR (ABR2) connects areas 0 and 2. How many Type 1 LSAs would b e listed in ABR2's LSDB?()
    A

    6

    B

    7

    C

    15

    D

    12

    E

    None of the other answers is correct.


    正确答案: B
    解析: 暂无解析

  • 第22题:

    多选题
    To make OSPF area 4 totally stubby, the following command was issued on the ABR in router configuration mode: area 4 stub.Which two things need to be done to finish making area 4 a totally stubby area?()
    A

    Apply the area 4  stub command to all routers in the area

    B

    On the ABR, use the area 4 stub command with the no - summary keyword

    C

    On the ABR, specify a default cost for the area with the area default - cost command

    D

    On the ABR, use the default - information originate  command to inject a default route into area 4

    E

    Use the auto - cost command on each router in the area to automatically determine the cost to other OSPF areas


    正确答案: C,A
    解析: 暂无解析

  • 第23题:

    单选题
    Which of the following statements is TRUE about the primary system dump device?()
    A

     It is shared. 

    B

     It must be /dev/hd6. 

    C

     It must be an internal disk. 

    D

     It can be an external device.


    正确答案: A
    解析: 暂无解析