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单选题There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediat

题目
单选题
There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediate System (DIS). Each routers IP address on that segment is: Router A: 10.1.1.1/24 Router B: 10.1.1.2/24 Router C: 10.2.2.1/26 Which statement is true about all the adjacencies that exist on that LAN?（）
A

No routers are adjacent with each other.

B

Only Router A and Router B are adjacent at Level 1.

C

Only Router A and Router B are adjacent at Level 2.

D

All three routers are adjacent with each other at Level 1.

相似考题

1.There are three routers on a Gigabit Ethernet LAN: Router A, Router B, and Router C. Router A is the Designated Intermediate System (DIS) at Level 1 for that LAN. Router A‘s DIS priority is 64. The LAN is a Level 1-only link. Router D has just been powered up on that same LAN and its DIS priority is 80.Which statement is true?（）A. Router A remains the DIS and generates a new pseudonode LSP for that LANB. Router A remains the DIS and NO new pseudonode LSP is generated for that LANC. Router D becomes the new DIS, generates a new pseudonode LSP for that LAN, and purges the old pseudonode LSP generated by Router AD. Router D becomes the new DIS, does NOT generate a new pseudonode LSP for that LAN, and does NOT purge the old pseudonode LSP generated by Router A

2.Given the set of routers, each with an interface on the same multi－access network:Which router can never be a designated router on that multi－access network?()A.RouterAB.RouterBC.RouterCD.RouterD

3.Three IS－IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?()A. the router with the lowest priorityB. the router with the highest priorityC. the router with the highest System IDD. the router with the highest IP address

4.Routers A and B are connected with a point-to-point OC-3 interface. Each router‘s OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area.How many IS-IS adjacencies exist between the two routers?（）A.0B.1C.2D.3

参考答案和解析
正确答案： B
解析： 暂无解析
更多“单选题There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediat”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：

    You try to add a new router into the established Testking OSPF network. The networks attached to the new router do not appear in the routing tables of the other OSPF routers.The new router was configured for OSPF in the following way:Router(config) router ospf 99Router(config-if) network 10.0.0.0 255.0.0.0 area 0Based on this information, what is the most likely problem?（）

    A. The process id is configured improperly.

    B. The OSPF area is configured improperly.

    C. The network wildcard mask is configured improperly.

    D. The network number is configured improperly.

    E. The AS is configured improperly.

    F. The network subnet mask is configured improperly.

    G. All of the above are likely problems.


    参考答案：C

  • 第3题：

    Refer to the exhibit. Router RTA is the hub router for routers RTB and RTC. The Frame Relay network is configured with EIGRP, and the entire network is in autonomous system 1. However,router RTB a nd RTC are not receiving each other‘s routes. What is the solution?（）

    A.Check and change the access lists on router RTA

    B.Configure the auto summary command under router eigrp 1 on router RTA

    C.Configure subinterfaces on the spoke routers and assig n different IP address subnets for each subinterface

    D.Issue the no ip split horizon command on router RTA

    E.Issue the no ip split horizon eigrp 1 command on router RTA

    F.Configure a distribute list on router RTA that allows it to advertise all r outes to the spoke routers


    参考答案：E

  • 第4题：

    If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?()

    A. the IP address of the first Fast Ethernet interface

    B. the IP address of the console management interface

    C. the highest IP address among its active interfaces

    D. the lowest IP address among its active interfaces

    E. the priority value until a loopback interface is configured


    参考答案：C

  • 第5题：

    If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?（）

    • A、the IP address of the first Fast Ethernet interface
    • B、the IP address of the console management interface
    • C、the highest IP address among its active interfaces
    • D、the lowest IP address among its active interfaces
    • E、the priority value until a loopback interface is configured

    正确答案:C

  • 第6题：

    A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem? （）Router(config)#router ospf 1Router(config-router)#network 10.0.0.0 255.0.0.0 area 0

    • A、The process id is configured improperly
    • B、The OSPF area is configured improperly
    • C、The network wildcard mask is configured improperly
    • D、The network number is configured improperly
    • E、The AS is configured improperly
    • F、The network subnet mask is configuerd improperly

    正确答案:C

  • 第7题：

    There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediate System (DIS). Each routers IP address on that segment is: Router A: 10.1.1.1/24 Router B: 10.1.1.2/24 Router C: 10.2.2.1/26 Which statement is true about all the adjacencies that exist on that LAN?（）

    • A、No routers are adjacent with each other.
    • B、Only Router A and Router B are adjacent at Level 1.
    • C、Only Router A and Router B are adjacent at Level 2.
    • D、All three routers are adjacent with each other at Level 1.

    正确答案:B

  • 第8题：

    There are three routers on a Gigabit Ethernet LAN: Router A, Router B, and Router C. Router A is the Designated Intermediate System (DIS) at Level 1 for that LAN. Router A's DIS priority is 64. The LAN is a Level 1-only link. Router D has just been powered up on that same LAN and its DIS priority is 80. Which statement is true?（）

    • A、Router A remains the DIS and generates a new pseudonode LSP for that LAN
    • B、Router A remains the DIS and NO new pseudonode LSP is generated for that LAN
    • C、Router D becomes the new DIS, generates a new pseudonode LSP for that LAN, and purges the old pseudonode LSP generated by Router A
    • D、Router D becomes the new DIS, does NOT generate a new pseudonode LSP for that LAN, and does NOT purge the old pseudonode LSP generated by Router A

    正确答案:C

  • 第9题：

    单选题
    There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediate System (DIS). Each routers IP address on that segment is: Router A: 10.1.1.1/24 Router B: 10.1.1.2/24 Router C: 10.2.2.1/26 Which statement is true about all the adjacencies that exist on that LAN?（）
    A

    No routers are adjacent with each other.

    B

    Only Router A and Router B are adjacent at Level 1.

    C

    Only Router A and Router B are adjacent at Level 2.

    D

    All three routers are adjacent with each other at Level 1.


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    There are three routers on a Gigabit Ethernet LAN: Router A, Router B, and Router C. Router A is the Designated Intermediate System (DIS) at Level 1 for that LAN. Router A's DIS priority is 64. The LAN is a Level 1-only link. Router D has just been powered up on that same LAN and its DIS priority is 80. Which statement is true?（）
    A

    Router A remains the DIS and generates a new pseudonode LSP for that LAN

    B

    Router A remains the DIS and NO new pseudonode LSP is generated for that LAN

    C

    Router D becomes the new DIS, generates a new pseudonode LSP for that LAN, and purges the old pseudonode LSP generated by Router A

    D

    Router D becomes the new DIS, does NOT generate a new pseudonode LSP for that LAN, and does NOT purge the old pseudonode LSP generated by Router A


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）
    A

    the router with the lowest priority

    B

    the router with the highest priority

    C

    the router with the highest System ID

    D

    the router with the highest IP address


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Routers A and B are connected with a point-to-point OC-3 interface. Each router's OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area. How many IS-IS adjacencies exist between the two routers?（）
    A

    0

    B

    1

    C

    2

    D

    3


    正确答案： C
    解析： 暂无解析

  • 第13题：

    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


    参考答案：A, B, D

  • 第14题：

    The Peanut router is able to successfully ping the Serial 0 and Ethernet 0 interface of the Popcorn router, but a ping issued to the Ethernet 1 interface fails. Based on the above output, what are the potential causes of this problem?（）

    A. The Popcorn router is not forwarding RIP updates.

    B. The Popcorn router did not include network 192.168.12.0 in its routing configuration.

    C. The Ethernet1 interface of the Popcorn router is shutdown.

    D. The clockrate is not present in the configuration of one of the routers.

    E. The Serial interface of the Popcorn router is not operating.


    参考答案：B, C

  • 第15题：

    A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem?（）Router(config)router ospf 1Router(config-router)network 10.0.0.0 255.0.0.0 area 0

    A. The process id is configured improperly

    B. The OSPF area is configured improperly

    C. The network wildcard mask is configured improperly

    D. The network number is configured improperly

    E. The AS is configured improperly

    F. The network subnet mask is configuerd improperly


    参考答案：C

  • 第16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.


    参考答案：A

  • 第17题：

    Routers A and B are connected with a point-to-point OC-3 interface. Each router's OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in the same area. How many IS-IS adjacencies exist between the two routers?（）

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

    正确答案:C

  • 第18题：

    Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）

    • A、the router with the lowest priority
    • B、the router with the highest priority
    • C、the router with the highest System ID
    • D、the router with the highest IP address

    正确答案:B

  • 第19题：

    Routers A and B are connected with a point-to-point OC-3 interface. Each router’s OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in different areas.How many IS-IS adjacencies exist between the two routers？（）

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

    正确答案:B

  • 第20题：

    多选题
    The Peanut router is able to successfully ping the Serial 0 and Ethernet 0 interface of the Popcorn router, but a ping issued to the Ethernet 1 interface fails. Based on the above output, what are the potential causes of this problem?（）
    A

    The Popcorn router is not forwarding RIP updates.

    B

    The Popcorn router did not include network 192.168.12.0 in its routing configuration.

    C

    The Ethernet1 interface of the Popcorn router is shutdown.

    D

    The clockrate is not present in the configuration of one of the routers.

    E

    The Serial interface of the Popcorn router is not operating.


    正确答案： A,C
    解析： 暂无解析

  • 第21题：

    单选题
    A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem? （）Router(config)#router ospf 1Router(config-router)#network 10.0.0.0 255.0.0.0 area 0
    A

    The process id is configured improperly

    B

    The OSPF area is configured improperly

    C

    The network wildcard mask is configured improperly

    D

    The network number is configured improperly

    E

    The AS is configured improperly

    F

    The network subnet mask is configuerd improperly


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    You try to add a new router into the established Testking OSPF network. The networks attached to the new router do not appear in the routing tables of the other OSPF routers.The new router was configured for OSPF in the following way: Router(config)# router ospf 99 Router(config-if)# network 10.0.0.0 255.0.0.0 area 0 Based on this information, what is the most likely problem?（）
    A

    The process id is configured improperly.

    B

    The OSPF area is configured improperly.

    C

    The network wildcard mask is configured improperly.

    D

    The network number is configured improperly.

    E

    The AS is configured improperly.

    F

    The network subnet mask is configured improperly.

    G

    All of the above are likely problems.


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?（）
    A

    the IP address of the first Fast Ethernet interface

    B

    the IP address of the console management interface

    C

    the highest IP address among its active interfaces

    D

    the lowest IP address among its active interfaces

    E

    the priority value until a loopback interface is configured


    正确答案： A
    解析： 暂无解析

  • 第24题：

    单选题
    Routers A and B are connected with a point-to-point OC-3 interface. Each router’s OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in different areas.How many IS-IS adjacencies exist between the two routers？（）
    A

    0

    B

    1

    C

    2

    D

    3


    正确答案： B
    解析： 暂无解析

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