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Routers R1 and R2 are OSPF neighbors using their Fa0/0 interfaces, respectively, using default settings for all timers. An engineer ad ds the ip ospf hello - interval 6 command to R1‘s Fa0/0 configuration.Which of the following is true regarding the resul

题目

Routers R1 and R2 are OSPF neighbors using their Fa0/0 interfaces, respectively, using default settings for all timers. An engineer ad ds the ip ospf hello - interval 6 command to R1‘s Fa0/0 configuration.Which of the following is true regarding the results from this change?（）

A. The show ip ospf neighbor command on R1 lists the revised Hello timer

B. The show ip ospf interfac e brief command on R1 lists the revised Hello timer

C. The R1 - R2 neighborship fails due to Hello timer mismatcH

D. The show ip ospf interface command on R1 lists the revised Hello timer

相似考题

1.A company uses Routers R1 and R2 to connect to ISP1 and ISP2, respectively, with Routers I1 and I2 used at th e ISPs. R1 peers with I1 and R2; R2 peers with I2 and R1. R1 and R2 do not share a common subnet, relying on other routers internal to the Enterprise for IP connectivity between the two routers.Which of the following could be used to prevent potential routing loops in this design?（）A. Using an iBGP mesh inside the Enterprise coreB. Configuring default routes in the Enterprise pointing to both R1 and R2C. Redistributing BGP routes into the Enterprise IGPD. Tunneling the packets for the i BGP connection between R1 and R2

2.Routers R1 and R2, OSPF neighbors in area 0 over their Fa0/0 interfaces (respectively), currently both successfully use OSPF MD5 authentication. The OSPF configuration includes the area 0 authentication command under the router ospf 1 command.Which of the following commands must have been configur ed on R1‘s Fa0/0 interface?（）A. ip ospf authentication nullB. ip ospf authentication message - digestC. ip ospf authentication -key whatever- it - isD. ip ospf message - digest - key 1 md5 whatever - it - isE. ip ospf md5 1 key whatever - it - is

3.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 stateB.The NProuter serial0/0 interface has the OSPF dead timer set to 10 secondsC.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 settingE.The "Mismatched" error is caus ed by the expiration of the OSPF timers

4.Router R1 connects to a Frame Relay cloud using a multipoint subinterface, with ten PVCs associated with the subinterface.What command would make this router not use a DR, and dynamically discover OSPF neighbors?（）A. ip ospf network broadcastB. ip ospf network non - broadcastC. ip ospf network point - to - multipointD. ip ospf network point - to - multipoint non - broadcast

更多“Routers R1 and R2 are OSPF neighbors using their Fa0／0 interfaces, respectively, using def ”相关问题

  • 第1题：

    Refer to the exhibit. OSPF is configured on all routers in the network. On the basis of the show ip ospf n eighbor output, what prevents R1 from establishing a full adjacency with R2? ()

    A. Router R1 will only establish full adjacency with the DR and BDR on broadcast multi- access networks.

    B. Router R2 has been elected as a DR for the broadcast multiaccess network in OSPF area 1.

    C. Routers R1 and R2 are configured as stub routers for OSPF area 1 and OSPF area 2.

    D. Router R1 and R2 are configured for a virtual link between OSPF area 1 and OSPF area 2.

    E. The Hello parameters on routers R1 and R2 do not m atch.


    参考答案：A

  • 第2题：

    The Dev － 1 and Dev －3 routers are OSPF neighbors over the Ethernet 0／0 connection. Based on the show ip ospf neighbor output from the Dev － 1 and Dev － 3 routers, which statement is true?()

    A. Dev - 1 is the DR because it has a lower OSPF router ID

    B. Dev - 3 is the DR because it has a higher OSPF router priority

    C. Both Dev - 1 and Dev - 3 are using the def ault OSPF router priority

    D. Dev - 3 is the DR because it has a lower OSPF router ID

    E. Dev - 1 is the DR because it has a higher OSPF router priority


    参考答案：E

  • 第3题：

    Refer to the exhibit.HostA cannot ping HostB.Assuming routing is properly configured,what could be the cause of this problem?（）

    • A、HostA is not on the same subnet as its default gateway
    • B、The address of SwitchA is a subnet address
    • C、The Fa0/0 interface on RouterA is on a subnet that cannot be used
    • D、The serial interfaces of the routers are not on the same subnet
    • E、The Fa0/0 interface on RouterB is using a broadcast address

    正确答案:D

  • 第4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5题：

    Router R1 connects to Router R2 over an Ethernet LAN with both routers using their F0/0 interfaces. R1 learns a route from R2 using EIGRP f or IPv6. That route lists F0/0 as the outgoing interface with R2 as the next hop. The configuration excerpt shows all relevant configuration on R2's F0/0 interface. Which of the following is true about R1's route?（） interface f0/0 mac - address 1111.1111.1 111 ipv6 address 2000::/64 eui - 64 ipv6 address 2001::1/64

    • A、The next hop is 2000::1311:11FF:FE11:1111
    • B、The next hop is FE80::1311:11FF:FE11:1111
    • C、The next hop is FE80::5111:11FF:FE11:1111
    • D、The next hop is 2001::1

    正确答案:B

  • 第6题：

    Routers R1 and R2 are EIGRP neighbors using their Fa0/0 interfaces, respectively. An engineer adds the ip hello - interval eigrp 9 6 command to R1's Fa0/0 configuration. Which of the following is true regarding the results from this c hange？（）

    • A、The show ip eigrp neighbors command on R1 lists the revised Hello timer
    • B、The show ip eigrp interfaces command on R1 lists the revised Hello timer
    • C、The R1 - R2 neighborship fails due to Hello timer mismatcH
    • D、The show ip eigrp interfaces detail command on R1 lists the revised Hello timer

    正确答案:D

  • 第7题：

    Rout er R1 directly connects to subnet 10.1.1.0/24 with its Fa0/0 interface. R1 can ping four other working OSPF routers in that subnet. R1 is neither the designated router (DR) nor backup DR (BDR). OSPF is working correctly on all five routers. Which of the following is true on R1?（）

    • A、The show ip ospf neighbors command lists two neighbors off Fa0/0.
    • B、The show ip ospf neighbors command lists four neighbors off Fa0/0.
    • C、The show ip ospf neighbors command lists two neighbors off Fa0/0 in the FULL state.
    • D、The show ip ospf neighbors command lists two neighbors off Fa0/0 in the DISCO state.

    正确答案:B,C

  • 第8题：

    单选题
    R1 has 5 working interfaces, with EIGRP neighbors existing off each interface. R1 has routes for subnets 10.1.1.0/24, 10.1.2.0/24, and 10.1.3.0/24, with EIGRP integer metrics of roughly 1 million, 2 million, a nd 3 million, respectively. An engineer then adds the ip summary - address eigrp 1 10.1.0.0 255.255.0.0 command to interface Fa0/0. Which of the following is true?（）
    A

    R1 loses and then reestablishes neighborships with all neighbors.

    B

    R1 no longer advert ises 10.1.1.0/24 to neighbors connected to Fa0/0.

    C

    1 advertises a 10.1.0.0/16 route out Fa0/0, with metric of around 3 million (largest metric of component subnets).

    D

    R1 advertises a 10.1.0.0/16 route out Fa0/0,with metric of around 2 million (med ian metric of component subnets).


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    Which of the following answers can be verified as true based on the following command output from Router R1?（） R1#show ip ospf virtual - links Virtual Link OSPF_VL0 to router 4.4.4.4 is up Run as demand circuit DoNotAge LSA alloweD. Transit area 1, via interface FastEthernet0/1, Cost of using 3
    A

    R1 is configured with  an area 0 virtual - link 4.4.4.4 cost 3 command.

    B

    The ping 4.4.4.4 command on R1 must currently be successful.

    C

    R1's Fa0/0 OSPF cost is 3.

    D

    4.4.4.4 is known to R1 based on a Type 1 LSA in area 1.


    正确答案： A
    解析： 暂无解析

  • 第10题：

    多选题
    Routers R1 and R2 are OSPF neighbors using their Fa0/0 interfaces, respectively, using default settings for all timers. An engineer ad ds the ip ospf hello - interval 6 command to R1's Fa0/0 configuration. Which of the following is true regarding the results from this change?（）
    A

    The show ip ospf neighbor command on R1 lists the revised Hello timer

    B

    The show ip ospf interfac e brief command on R1 lists the revised Hello timer

    C

    The R1 - R2 neighborship fails due to Hello timer mismatcH

    D

    The show ip ospf interface command on R1 lists the revised Hello timer


    正确答案： B,C
    解析： 暂无解析

  • 第11题：

    单选题
    Router R1 connects to Router R2 over an Ethernet LAN with both routers using their F0/0 interfaces. R1 learns a route from R2 using EIGRP f or IPv6. That route lists F0/0 as the outgoing interface with R2 as the next hop. The configuration excerpt shows all relevant configuration on R2's F0/0 interface. Which of the following is true about R1's route?（） interface f0/0 mac - address 1111.1111.1 111 ipv6 address 2000::/64 eui - 64 ipv6 address 2001::1/64
    A

    The next hop is 2000::1311:11FF:FE11:1111

    B

    The next hop is FE80::1311:11FF:FE11:1111

    C

    The next hop is FE80::5111:11FF:FE11:1111

    D

    The next hop is 2001::1


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Routers R1 and R2 are EIGRP neighbors using their Fa0/0 interfaces, respectively. An engineer adds the ip hello - interval eigrp 9 6 command to R1's Fa0/0 configuration. Which of the following is true regarding the results from this c hange？（）
    A

    The show ip eigrp neighbors command on R1 lists the revised Hello timer

    B

    The show ip eigrp interfaces command on R1 lists the revised Hello timer

    C

    The R1 - R2 neighborship fails due to Hello timer mismatcH

    D

    The show ip eigrp interfaces detail command on R1 lists the revised Hello timer


    正确答案： D
    解析： 暂无解析

  • 第13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14题：

    Routers R1 and R2, currently EIGRP neighbors over their Fa0/0 interfaces (respectively),both use EIGRP authentication. Tuesday at 8 p.m. the neighborship fails.Which of the following wo uld not be useful when investigating whether authenticationhad anything to do with the failure？（）

    A. debug eigrp packet

    B. show key chain

    C. show ip eigrp neighbor failure

    D. show clock


    参考答案：C

  • 第15题：

    Which of the following answers can be verified as true based on the following command output from Router R1?（） R1#show ip ospf virtual - links Virtual Link OSPF_VL0 to router 4.4.4.4 is up Run as demand circuit DoNotAge LSA alloweD. Transit area 1, via interface FastEthernet0/1, Cost of using 3

    • A、R1 is configured with  an area 0 virtual - link 4.4.4.4 cost 3 command.
    • B、The ping 4.4.4.4 command on R1 must currently be successful.
    • C、R1's Fa0/0 OSPF cost is 3.
    • D、4.4.4.4 is known to R1 based on a Type 1 LSA in area 1.

    正确答案:D

  • 第16题：

    Router R1 has been configured with the commands rout er eigrp 9 and network 172.16.2.0 0.0.0.255, with no other current EIGRP configuration. R1's (working) Fa0/0 interface has been configured with IP address 172.16.2.2/26. R1 has found three EIGRP neighbors reachable via interface Fa0/0, including the rou ter with IP address 172.16.2.20. When the engineer attempts to add the neighbor 172.16.2.20 fa0/0 command in EIGRP configuration mode. Which of the following occurs？（）

    • A、Fa0/0 fails
    • B、The command is rejecteD
    • C、The existing three neighbors fail
    • D、The neighborship with 172.16.2.20 fails and then reestablishes
    • E、None of the other answers is correct

    正确答案:C

  • 第17题：

    Router R1 connects to a Frame Relay cloud using a multipoint subinterface, with ten PVCs associated with the subinterface. What command would make this router not use a DR, and dynamically discover OSPF neighbors?（）

    • A、ip ospf network broadcast
    • B、ip ospf network non - broadcast
    • C、ip ospf network point - to - multipoint
    • D、ip ospf network point - to - multipoint non - broadcast

    正确答案:C

  • 第18题：

    Routers R1 and R2, currently EIGRP neighbors over their Fa0/0 interfaces (respectively),both use EIGRP authentication. Tuesday at 8 p.m. the neighborship fails. Which of the following wo uld not be useful when investigating whether authenticationhad anything to do with the failure？（）

    • A、debug eigrp packet
    • B、show key chain
    • C、show ip eigrp neighbor failure
    • D、show clock

    正确答案:C

  • 第19题：

    R1 has 5 working interfaces, with EIGRP neighbors existing off each interface. R1 has routes for subnets 10.1.1.0/24, 10.1.2.0/24, and 10.1.3.0/24, with EIGRP integer metrics of roughly 1 million, 2 million, a nd 3 million, respectively. An engineer then adds the ip summary - address eigrp 1 10.1.0.0 255.255.0.0 command to interface Fa0/0. Which of the following is true?（）

    • A、R1 loses and then reestablishes neighborships with all neighbors.
    • B、R1 no longer advert ises 10.1.1.0/24 to neighbors connected to Fa0/0.
    • C、1 advertises a 10.1.0.0/16 route out Fa0/0, with metric of around 3 million (largest metric of component subnets).
    • D、R1 advertises a 10.1.0.0/16 route out Fa0/0,with metric of around 2 million (med ian metric of component subnets).

    正确答案:B

  • 第20题：

    多选题
    Enterprise Router R1, in ASN 1, connects to ISP Router I1, ASN 2, using eBGP. The single serial link b etween the two routers uses IP addresses 10.1.1.1 and 10.1.1.2, respectively. Both routers use their S0/0 interfaces for this link. Which of the following commands would be needed on R1 to configure eBGP?（）
    A

    router bgp 2

    B

    router bgp 1

    C

    neighbor 10.1 .1.2 remote - as 2

    D

    neighbor 10.1.1.2 Update - source 10.1.1.1

    E

    neighbor 10.1.1.2 Update- source S0/0


    正确答案： A,C
    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：

    多选题
    Rout er R1 directly connects to subnet 10.1.1.0/24 with its Fa0/0 interface. R1 can ping four other working OSPF routers in that subnet. R1 is neither the designated router (DR) nor backup DR (BDR). OSPF is working correctly on all five routers. Which of the following is true on R1?（）
    A

    The show ip ospf neighbors command lists two neighbors off Fa0/0.

    B

    The show ip ospf neighbors command lists four neighbors off Fa0/0.

    C

    The show ip ospf neighbors command lists two neighbors off Fa0/0 in the FULL state.

    D

    The show ip ospf neighbors command lists two neighbors off Fa0/0 in the DISCO state.


    正确答案： C,A
    解析： 暂无解析

  • 第23题：

    多选题
    Routers R1 and R2, OSPF neighbors in area 0 over their Fa0/0 interfaces (respectively), currently both successfully use OSPF MD5 authentication. The OSPF configuration includes the area 0 authentication command under the router ospf 1 command. Which of the following commands must have been configur ed on R1's Fa0/0 interface?（）
    A

    ip ospf authentication null

    B

    ip ospf authentication message - digest

    C

    ip ospf authentication -key whatever- it - is

    D

    ip ospf message - digest - key 1 md5 whatever - it - is

    E

    ip ospf md5 1 key whatever - it - is


    正确答案： B,E
    解析： 暂无解析

  • 第24题：

    单选题
    Refer to the exhibit.HostA cannot ping HostB.Assuming routing is properly configured,what could be the cause of this problem?（）
    A

    HostA is not on the same subnet as its default gateway

    B

    The address of SwitchA is a subnet address

    C

    The Fa0/0 interface on RouterA is on a subnet that cannot be used

    D

    The serial interfaces of the routers are not on the same subnet

    E

    The Fa0/0 interface on RouterB is using a broadcast address


    正确答案： D
    解析： 暂无解析

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