Refer to the exhibit. The partial configuration for an OSPF ASBR and an Area 0 ABR is shown. Assume the OSPF configurations throughout the network are operable. Which statement about these configurations is true? （）A. The ASBR route - maps are basically u

题目

Refer to the exhibit. The partial configuration for an OSPF ASBR and an Area 0 ABR is shown. Assume the OSPF configurations throughout the network are operable. Which statement about these configurations is true? （）

A. The ASBR route - maps are basically useless, because there are no deny prefix - lists.

B. LSA Type 5s wil l not be received by the ABR from the ASBR.

C. The OSPF backbone will not learn any RFC 1918 addresses.

D. The matched prefix - list addresses will be given a metric of 255, which is essentially unreachable.

相似考题

1.The following output exists on Router R1, a router internal to area 1. What can you d etermine as true from the output of the show ip ospf database summary command?()A. The LSA was created by an ABR due to an area range command.B. The LSA was created by an ASBR due to a summary - address command.C. If cr eated by an area range command, the best metric for a subordinate subnet on that ABR must have been 11.D. None of the other answers is correct.

2.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

3.Refer to the exhibit. Which two Cisco IOS commands on R2 would verify its OSPF neighbor relationships?()A.show ip ospfB.show ip ospf interfaceC.show ip ospf neighborD.show ip ospf databaseE.show ip ospf statisticsF.show running - config begin router ospf

4.Refer to the exhibit. The routing protocols EIGRP and OSPF have been configured as indicated in the exhibit. Given the partial configuration of router R2, which network will be present in th e routing table of R4?（）A. Network BB. Network A and Network BC. Network AD. neither Network A nor Network B

更多“Refer to the exhibit. The partial configuration for an OSPF ASBR and an Area 0 ABR is show ”相关问题

  • 第1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2题：

    Refer to the exhibit. Examine the partial configuration and the routing table excerpt. Which routes would be redistributed into OSPF area 1?()

    A. 10.10.10.16/28 only

    B. 10.10.10.16/28 and 10.10.10.64/26

    C. 10.10.10.16/28, 10.10.10.64/26, and 172.16.10.0/24

    D. 10.10.10.64/26 only


    参考答案：D

  • 第3题：

    Refer to the exhibit. A network administrator wants to reduce the number of OSPF routes advertised from Area 1 into Area 2. As the router configuration specialist, what two things would you do to accomplish this goal?（）

    A. Enter the configuration on router B1.

    B. Enter the configuration on router B4.

    C. On the same router, enter the Summary - address 10.10.1.0 255.255.255.128 subcommand.

    D. On the same router, enter the Area 1 range 10.10.1.0 255.255.255.128 subcommand.

    E. On the same ro uter, enter the Area 2 range 10.10.1.0 255.255.255.128 subcommand.


    参考答案：A, D

  • 第4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5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6题：

    OSPF动态路由协议中,不同area之间的路由()传播来避免路由环路出现。

    A.通过ABR之间直接

    B.通过ASBR之间

    C.通过0号area

    D.通过1号area


    参考答案：C

  • 第7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8题：

    You have a multi-area OSPF network and you’re concerned because one of the sites is havingconnectivity problem to resources in a different area. Which IOS privileged mode command wouldyou enter to confirm that your network：  （A） has a path to its ABR，  （B） has a path to its ASBR， and  （C）the SPF calculation is functional？（）

    • A、show ip protocols
    • B、show running-config
    • C、show ip ospf neighbor
    • D、show ip ospf border-routers

    正确答案:D

  • 第9题：

    OSPF动态路由协议中，不同area之间的路由（）传播来避免路由环路出现。

    • A、通过ABR之间直接
    • B、通过ASBR之间
    • C、通过0号area
    • D、通过1号area

    正确答案:C

  • 第10题：

    单选题
    The ASBR-summary LSA is：（）.
    A

    Generated by the ASBR and describes reachability to itself

    B

    Generated by the ASBR and describes reachabilty to the ABR

    C

    Generated by the ABR and describes reachabilty to the ASBR for routers in a different area from the ASBR

    D

    Generated by the ABR and describes reachabilty to the ASBR for routers in the same area with the ASBR


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    Cat6500（config）# router ospf 1  Cat6500（config-router）# network 0.0.0.0 255.255.255.255 area 0  Cat6500（config-router）# nsf Cat6500（config-router）#end  Refer to the exhibit. The configuration is used to enable nonstop forwarding for OSPF on a Catalyst 6500 Series  Switch with redundant supervisor engines.  The default CEF configuration is unchanged. After testing， user traffic is interrupted and NSF is not operational.  What is the most likely reason？ （）
    A

    CEF was not properly configured.

    B

    OSPF was not properly configured for graceful restart.

    C

    Stateful switchover was not correctly configured.

    D

    NSF for OSPF is only supported in area 0.


    正确答案： D
    解析： 暂无解析

  • 第12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13题：

    Refer to the exhibit. What is the effect of the OSPF configuration on router B?()

    A. All interfaces will be in area 0

    B. The router will be an ABR with s1/0 in area 0 and f0/0 and 0/1 in area 1

    C. The route r will be an ABR with s1/0 in area 0 and f0/0 and 0/1 in area 2

    D. The router will be an ABR with s1/0 in area 0, f0/0 in area 1, and f0/1 in area 2


    参考答案：D

  • 第14题：

    Refer to the exhibit. Examine the partial configuration and the routing table excerpt. Which routes would be redistributed into OSPF area 1? ()

    A. 10.10.10.16/28 only

    B. 10.10.10.16/28 and 10.10.10.64/26

    C. 10.10.10.16/28, 10.10.10 .64/26, and 172.16.10.0/24

    D. 10.10.10.64/26 only


    参考答案：D

  • 第15题：

    Refer to the exhibit. Looking at the topology diagram and the partial router configurations shown, which statement is true? ()

    A.The NProuter has two OSPF neighbors in the "Full" adjacency state

    B.The NProuter serial0/0 interface has the OSPF dead timer set to 10 seconds

    C.The NProuter serial0/0 interface has been configured with an OSPF network type of "pointtopoint"

    D.The 10.1.1.1 and 10.1.1.2 routers are not using the default OSPF dead and hello timers setting

    E.The "Mismatched" error is caus ed by the expiration of the OSPF timers


    参考答案：E

  • 第16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17题：

    Refer to the exhibit. A network associate has configured OSPF with the command:City(config-router) network 192.168.12.64 0.0.0.63 area 0After completing the configuration, the associate discovers that not all the interfaces are participating in OSPF. Which three of the interfaces shown in the exhibit will participate in OSPF according to this configuration statement? （）

    A.FastEthernet0 /0

    B.FastEthernet0 /1

    C.Serial0/0

    D.Serial0/1.102

    E.Serial0/1.103

    F.Serial0/1.104


    参考答案：B, C, D

  • 第18题：

    Which statement about OSPF ASBR summary LSA is true？（）

    • A、It is generated by an ASBR and indicates the reachability to an ABR located in another area.
    • B、It is generated by ABR and indicates the reachability to an ASBR located in another AS.
    • C、It is generated by ABR and indicates reachability to itself.
    • D、It is generated by ABR and indicates the reachability to an ASBR located in another area.
    • E、It is generated by ASBR and indicates the reachability to an ABR.

    正确答案:D

  • 第19题：

    在OSPF中，关于ABR和ASBR论述正确的有（）。

    • A、ABR只负责传递区域内的路由，ASBR只负责传递AS外的路由
    • B、ABR同时可以是ASBR
    • C、区域0内可以有ASBR
    • D、NSSA区域内可以有ASBR

    正确答案:B,C,D

  • 第20题：

    Cat6500（config）# router ospf 1  Cat6500（config-router）# network 0.0.0.0 255.255.255.255 area 0  Cat6500（config-router）# nsf Cat6500（config-router）#end  Refer to the exhibit. The configuration is used to enable nonstop forwarding for OSPF on a Catalyst 6500 Series  Switch with redundant supervisor engines.  The default CEF configuration is unchanged. After testing， user traffic is interrupted and NSF is not operational.  What is the most likely reason？ （）

    • A、CEF was not properly configured.
    • B、OSPF was not properly configured for graceful restart.
    • C、Stateful switchover was not correctly configured.
    • D、NSF for OSPF is only supported in area 0.

    正确答案:C

  • 第21题：

    单选题
    OSPF动态路由协议中，不同area之间的路由（）传播来避免路由环路出现。
    A

    通过ABR之间直接

    B

    通过ASBR之间

    C

    通过0号area

    D

    通过1号area


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    Which statement about OSPF ASBR summary LSA is true？（）
    A

    It is generated by an ASBR and indicates the reachability to an ABR located in another area.

    B

    It is generated by ABR and indicates the reachability to an ASBR located in another AS.

    C

    It is generated by ABR and indicates reachability to itself.

    D

    It is generated by ABR and indicates the reachability to an ASBR located in another area.

    E

    It is generated by ASBR and indicates the reachability to an ABR.


    正确答案： A
    解析： 暂无解析

  • 第23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

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