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Refer to the exhibit. Two routers are connected by Frame Relay and are running OSPF bet ween them. Each router has been configured with the appropriate network statements under router ospf 1, but the routers are not forming an adjacency. Which of the foll

题目

Refer to the exhibit. Two routers are connected by Frame Relay and are running OSPF bet ween them. Each router has been configured with the appropriate network statements under router ospf 1, but the routers are not forming an adjacency. Which of the following three commands could be configured on each router to correct this problem?（）

A. RouterC(config - if)#ip ospf network broadcast RouterD(config - if)#ip ospf network broadcast

B. RouterC(config - if)#ip ospf network point - to - point RouterD(config - if)#ip ospf network point - to - point

C. RouterC(config - router)#neighbor 10.100. 100.4 RouterD(config - router)#neighbor 10.100.100.3

D. RouterC(config - router)#neighbor 10.255.255.254 RouterD(config - router)#neighbor 10.255.255.253

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.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.Which of the following must match for two directly connected routers running OSPF to establish a neighbor adjacency?()A. area IDsB. process IDsC. router IDsD. hello timers

更多“Refer to the exhibit. Two routers are connected by Frame Relay and are running OSPF bet we ”相关问题

  • 第1题：

    Refer to the exhibit. OSPF is running throughout the network. You want to minimize the propagation of LSAs into and out of A rea 1. Which OSPF feature would best achieve this goal? ()

    A. stub

    B. totally stubby

    C. NSSA

    D. totally NSSA


    参考答案：D

  • 第2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3题：

    Refer to the exhibit. Which st atement is true?()

    A. Router RTA is the BDR

    B. Router RTA is directly connected to interface 192.168.45.1

    C. Neighbor 192.168.45.1 has changed its OSPF priority number

    D. Router RTA and neighbor 192.168.45.2 are exchanging OSPF LSAs


    参考答案：A

  • 第4题：

    Refer to the exhibit. When running OSPF, What would cause router A not to form an adjacency with router B?()

    A.The loopback addresses are on different subnets

    B.The value of the dead timers on the router are different

    C.Route summarization is enabled on both routers

    D.The process indentifier on router A is different than the process identifier on router B


    参考答案：B

  • 第5题：

    Refer to the exhibit. When running EIGRP, What is required for RouterA to exchange routing updates with RouterC?（）

    • A、As numbers must be changed to match on all the routers.
    • B、Loopback interface must be configured so a DR is elected.
    • C、The no auto-summary command is needed on Router A and Router C.
    • D、Router B needs to have two network statements, one for each connected network.

    正确答案:A

  • 第6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7题：

    Refer to the exhibit. What is the meaning of the term dynamic as displayed in the output of the show frame-relay map command shown?（）

    • A、The Serial0/0 interface is passing traffic.
    • B、The DLCI 100 was dynamically allocated by the router
    • C、The Serial0/0 interface acquired the IP address of 172.16.3.1 from a DHCP server
    • D、The DLCI 100 will be dynamically changed as required to adapt to changes in the Frame Relay cloud
    • E、The mapping between DLCI 100 and the end station IP address 172.16.3.1 was learned through Inverse ARP

    正确答案:E

  • 第8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9题：

    单选题
    Refer to the exhibit. What is the meaning of the term dynamic as displayed in the output of the show frame-relay map command shown?（）
    A

    The Serial0/0 interface is passing traffic.

    B

    The DLCI 100 was dynamically allocated by the router

    C

    The Serial0/0 interface acquired the IP address of 172.16.3.1 from a DHCP server

    D

    The DLCI 100 will be dynamically changed as required to adapt to changes in the Frame Relay cloud

    E

    The mapping between DLCI 100 and the end station IP address 172.16.3.1 was learned through Inverse ARP


    正确答案： A
    解析： 暂无解析

  • 第10题：

    多选题
    If the OSPF protocol is used to connect customer edge （CE） routers to service provider edge（PE） routers in the VPN backbone， which two options best describe the use of SHAM links？（）
    A

    A sham-link is created between any twoo VPN sites that belong to the same OSPF area and share an OSPF backdoor link

    B

    A sham-link is seen as an intra-area link between PE routers，an OSPF adjacency is created and data base is exchanged

    C

    A SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor door

    D

    A SHAM link is part of OSPF network of MPLS-VPN provider


    正确答案： C,D
    解析： 暂无解析

  • 第11题：

    单选题
    Customer X has a hub-and-spoke Frame Relay network， with a central office and two branch offices （RemoteA and RemoteB）. Each location has only one physical link to the Frame Relay cloud and RemoteB has a router that is not a Cisco router. Since the installation， there is no connectivity between RemoteB and the central office. What is a possible solution to this issue？ （）
    A

     Because Frame Relay IETF encapsulation is only configurable at interface level， you must use IETF encapsulation on all routers.

    B

     This is not a possible scenario. A dedicated Frame Relay link to RemoteB is mandatory at the central office.

    C

     The router at RemoteB must be replaced by a Cisco router.

    D

     Use Frame Relay IETF encapsulation on a per-VC basis on the central office router.

    E

     There is a problem in the Frame Relay cloud， because Cisco routers are compatible with IETF Frame Relay.


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    A company has a Frame Relay WAN with one central - site router and 100 branch office routers. A partial mesh of PVCs exists: one PVC between the central site and each of t he 100 branch routers. All routers use point - to - point subinterfaces and one subnet per PVC. Which of the following is true about OSPF in this design?（）
    A

    The central site router has 100 fully adjacent neighborships with the 100 branches

    B

    The central  site router has neighborships with all branch routers, but fully adjacent neighbors with only two branches

    C

    The central site router has a neighborship with the Frame Relay switcH

    D

    None of the other answers is correct


    正确答案： A
    解析： 暂无解析

  • 第13题：

    Refer to the exhibit. You have completed an OSPF implementation, and you are verifying OSPF operation. You notice that router A and router B are stuck in the two - way state. From the show ip ospf interface command output, what is the cause of this issue?（）

    A. All OSPF implementations must have at le ast one interface in area 0.

    B. You are attempting to run in the broadcast mode over an NBMA interface.

    C. Both routers are configured to function as a BDR; therefore, there is no DR router.

    D. Someone has changed the OSPF router ID; therefore you must clear the OSPF process.

    E. The OSPF priority is set to 0 on both routers; therefore neither can become the DR.


    参考答案：E

  • 第14题：

    Refer to the exhibit. You are the network administrator of the Route.com company. You have been tasked to implement a hub and spoke EIGRP topology over Frame Relay to provide connectivity between the networks at headquarters and all 300 spokes. Before you begin the actual implementation, which three pieces of information are more important to know than the others?（）

    A. the Committed Information Rate of all the Frame Relay PVCs

    B. the Cisco IOS version running on all the routers

    C. the router model number of all the spoke routers

    D. the number of HQ networks connected behind the headquarter routers

    E. the routing policy, such as whether or not the spokes can be used as backup transient point between the two headquarter routers


    参考答案：A, B, E

  • 第15题：

    OSPF is configured over a Frame Relay network as shown in the exhibit. All PVCs are active.However, R1 and R3 fail to see all OSPF routes in their routing tables. The show ip ospf neighbor command executed on R2 shows the state of t he neighbors. What should be done to fix the problem? （）

    A. The ip ospf network broadcast command should be configured on each Frame Relay interface

    B. The ip ospf network non -broadcast command should be configured on each Frame Relay interface

    C. Th e ip ospf priority value on the spoke routers should be set to 0

    D. The ip ospf priority value on the hub router should be set to 0

    E. The neighbor command should be configured under the OSPF routing process on all routers


    参考答案：C

  • 第16题：

    If the OSPF protocol is used to connect customer edge （CE） routers to service provider edge（PE） routers in the VPN backbone， which two options best describe the use of SHAM links？（）

    • A、A sham-link is created between any twoo VPN sites that belong to the same OSPF area and share an OSPF backdoor link
    • B、A sham-link is seen as an intra-area link between PE routers，an OSPF adjacency is created and data base is exchanged
    • C、A SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor door
    • D、A SHAM link is part of OSPF network of MPLS-VPN provider

    正确答案:A,B

  • 第17题：

    A company has a Frame Relay WAN with one central - site router and 100 branch office routers. A partial mesh of PVCs exists: one PVC between the central site and each of t he 100 branch routers. All routers use point - to - point subinterfaces and one subnet per PVC. Which of the following is true about OSPF in this design?（）

    • A、The central site router has 100 fully adjacent neighborships with the 100 branches
    • B、The central  site router has neighborships with all branch routers, but fully adjacent neighbors with only two branches
    • C、The central site router has a neighborship with the Frame Relay switcH
    • D、None of the other answers is correct

    正确答案:A

  • 第18题：

    Ten routers, R1 through R10, connect in a partial mesh over Frame Relay. For the mesh, R1 and R2 have PVCs connected to all other routers, but Routers R3 through R10 act as branch routers, with only two PVCs - one to R1 and one to R2. The routers u se IP subnet 10.1.1.0/24, with addresses 10.1.1.1, 10.1.1.2, and so on, through 10.1.1.10, respectively. The routers all use Inverse ARP to learn Frame Relay mapping information. All routers use a multipoint subinterface with network type point - tomultip oint nonbroadcast. A co - worker's implementation plan lists lots of configuration commands related to this design. The design states that all hosts should be able to ping all other hosts. Which commands are required for proper functioning of OSPF in this case?（）

    • A、frame - relay map commands on R3 - R10 referencing the other routers in this group
    • B、Nine OSPF neighbor commands on each router
    • C、Nine OSPF neighbor commands on R1 and R2, with only two such commands on R3 - R10
    • D、R1 and R2 with ip ospf prio rity 1 commands to ensure they become DR and BDR
    • E、R3 - R10 with ip ospf priority 0 commands to ensure they do not become DR or BDR

    正确答案:A,C

  • 第19题：

    Customer X has a hub-and-spoke Frame Relay network， with a central office and two branch offices （RemoteA and RemoteB）. Each location has only one physical link to the Frame Relay cloud and RemoteB has a router that is not a Cisco router. Since the installation， there is no connectivity between RemoteB and the central office. What is a possible solution to this issue？ （）

    • A、 Because Frame Relay IETF encapsulation is only configurable at interface level， you must use IETF encapsulation on all routers.
    • B、 This is not a possible scenario. A dedicated Frame Relay link to RemoteB is mandatory at the central office.
    • C、 The router at RemoteB must be replaced by a Cisco router.
    • D、 Use Frame Relay IETF encapsulation on a per-VC basis on the central office router.
    • E、 There is a problem in the Frame Relay cloud， because Cisco routers are compatible with IETF Frame Relay.

    正确答案:D

  • 第20题：

    单选题
    Refer to the exhibit. When running EIGRP, What is required for RouterA to exchange routing updates with RouterC?（）
    A

    As numbers must be changed to match on all the routers.

    B

    Loopback interface must be configured so a DR is elected.

    C

    The no auto-summary command is needed on Router A and Router C.

    D

    Router B needs to have two network statements, one for each connected network.


    正确答案： B
    解析： 暂无解析

  • 第21题：

    多选题
    Ten routers, R1 through R10, connect in a partial mesh over Frame Relay. For the mesh, R1 and R2 have PVCs connected to all other routers, but Routers R3 through R10 act as branch routers, with only two PVCs - one to R1 and one to R2. The routers u se IP subnet 10.1.1.0/24, with addresses 10.1.1.1, 10.1.1.2, and so on, through 10.1.1.10, respectively. The routers all use Inverse ARP to learn Frame Relay mapping information. All routers use a multipoint subinterface with network type point - tomultip oint nonbroadcast. A co - worker's implementation plan lists lots of configuration commands related to this design. The design states that all hosts should be able to ping all other hosts. Which commands are required for proper functioning of OSPF in this case?（）
    A

    frame - relay map commands on R3 - R10 referencing the other routers in this group

    B

    Nine OSPF neighbor commands on each router

    C

    Nine OSPF neighbor commands on R1 and R2, with only two such commands on R3 - R10

    D

    R1 and R2 with ip ospf prio rity 1 commands to ensure they become DR and BDR

    E

    R3 - R10 with ip ospf priority 0 commands to ensure they do not become DR or BDR


    正确答案： A,E
    解析： 暂无解析

  • 第22题：

    单选题
    Which of the following is true concerning Frame Relay multipoint subinterfaces?（）
    A

    An IP address is required on the physical interface of the central router.

    B

    All routers are required to be fully meshed.

    C

    All routers must be in the same subnet to forward routing updates and broadcasts.

    D

    Multipoint is the default configuration for Frame Relay subinterfaces.


    正确答案： C
    解析： 暂无解析

  • 第23题：

    多选题
    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： C,B
    解析： 暂无解析

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