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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 a

题目
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.


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更多“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?() ”相关问题
  • 第1题:

    After implementing EIGRP on your network, you issue the show ip eigrp traffic command on router C. The following output is shown:What can you conclude about this network? ()

    A. The network has been stable for at least the last 45 minutes

    B. There is a flapping link or interf ace, and router C knows an alternate path to the network

    C. There is a flapping link or interface, and router A does not know an alternate path to the network

    D. EIGRP is not working correctly on router C

    E. There is not enough information to make a determination


    参考答案:A

  • 第2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3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4题:

    Which BGP command provides the router ID, local preference, next hop, and BGP path in its output?()

    • A、show ip route bgp
    • B、show ip bgp
    • C、show ip bgp neighbors
    • D、show ip bgp summary

    正确答案:B

  • 第5题:

    The following output was taken from Router R3. A scan of R3's configuration shows that no bandwidth commands have been configured in this router. Which of the following answers lists configuration settings could be a part of a configuration tha t results in the following output?() R3#show ip ospf interface brief Interface PID Area IP Address/Mask Cost State Nbrs F/C Se0/0/0.2 3 34 10.10.23.3/29 647 P2P 1/1 Se0/0/0.1 3 34 10.10.13.3/29 1000 P2P 1/1 Fa0/0 3 34 10.10.34.3/24 20 BDR 1/1

    • A、An a uto - cost reference - bandwidth 1000 command in router ospf mode
    • B、An auto - cost reference - bandwidth 2000 command in router ospf mode
    • C、An ip ospf cost 1000 interface S0/0/0.1 command in router ospf mode
    • D、An auto - cost reference - bandwidth 64700 command i n router ospf mode

    正确答案:A,B

  • 第6题:

    Examine the following excerpt from the show ip eigrp topology 10.2.2.0/24 command on router R1.Which answer can be verified as definitely true based on this output?() External data: Originating router is 10.1.1.1 AS number of route is 1 External protocol is OSPF, external metric is 64 Administrator tag is 0 (0x00000000)

    • A、R1 is the router that redistributed the route
    • B、R1's metric to reach subnet 10.2.2.0/24 is 64
    • C、The route was redistributed on a router that has a router ospf 1 command configured
    • D、R1 is redistributing a route to prefix 1 0.2.2.0/24 into OSPF

    正确答案:C

  • 第7题:

    OSPF is enabled on router A. You execute the following command on router A and receive theaccompanying output:RouterA#ping 224.0.0.5 repeat1Type escape sequence to abort.Sending 1, 1 00 - byte ICMP Echos to 224.0.0.5, timeout is 2 seconds:Reply to request 0 from 10.100.100.1, 4 ms10.100.100.1 is the IP address of a loopback interface on router A. What can you conclude about router A?()

    • A、Only the router A loopback interface is parti cipating in the OSPF routing process
    • B、None of the router A interfaces are participating in the OSPF routing process
    • C、Router A is using the loopback interface IP address as its OSPF router ID
    • D、Router A does not have any reachable OSPF neighbors

    正确答案:D

  • 第8题:

    Router R1 exists in an Enterprise that uses EIGRP as its routing protocol. The show ip route command output on router R1 lists the following phrase: "Gateway of last resort is 1.1.1.1 to network 2.0.0.0". Whic h of the following is most likely to have caused this output to occur on R1?()

    • A、R1 has been configured with an ip default- network 2.0.0.0 command.
    • B、R1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.
    • C、R1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
    • D、Another router has been configured with an ip default - network 2.0.0.0 command.
    • E、Another router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.

    正确答案:D

  • 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
    The following output was taken from Router R3. A scan of R3's configuration shows that no bandwidth commands have been configured in this router. Which of the following answers lists configuration settings could be a part of a configuration tha t results in the following output?() R3#show ip ospf interface brief Interface PID Area IP Address/Mask Cost State Nbrs F/C Se0/0/0.2 3 34 10.10.23.3/29 647 P2P 1/1 Se0/0/0.1 3 34 10.10.13.3/29 1000 P2P 1/1 Fa0/0 3 34 10.10.34.3/24 20 BDR 1/1
    A

    An a uto - cost reference - bandwidth 1000 command in router ospf mode

    B

    An auto - cost reference - bandwidth 2000 command in router ospf mode

    C

    An ip ospf cost 1000 interface S0/0/0.1 command in router ospf mode

    D

    An auto - cost reference - bandwidth 64700 command i n router ospf mode


    正确答案: C,B
    解析: 暂无解析

  • 第11题:

    多选题
    The following output on Router R1 lists details of a BGP route for 190.1.0.0/16. Which of the following is true based on this output?() R1# show ip bgp 19 0.1.0.0/16 BGP routing table entry for 190.1.0.0/16, version 121 Paths: (1 available, best #1, table Default - IP - Routing - Table) Advertised to update - groups: 1 1 2 3 4 1.1.1.1 from 2.2.2.2 (3.3.3.3) Origin IGP, metric 0, localpref 100, valid, internal, best
    A

    R1 has a neighbor 1.1.1.1 command configured.

    B

    R1 has a neighbor 2.2.2.2 command configured.

    C

    The show ip bgp command lists a line for 190.1.0.0/16 with both an > and an i on the left.

    D

    R1 is in ASN 1.


    正确答案: D,C
    解析: 暂无解析

  • 第12题:

    单选题
    Examine the following excerpt from the show ip eigrp topology 10.2.2.0/24 command on router R1.Which answer can be verified as definitely true based on this output?() External data: Originating router is 10.1.1.1 AS number of route is 1 External protocol is OSPF, external metric is 64 Administrator tag is 0 (0x00000000)
    A

    R1 is the router that redistributed the route

    B

    R1's metric to reach subnet 10.2.2.0/24 is 64

    C

    The route was redistributed on a router that has a router ospf 1 command configured

    D

    R1 is redistributing a route to prefix 1 0.2.2.0/24 into OSPF


    正确答案: D
    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. 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15题:

    Examine the following excerpt from the show ip ospf database asbr -summary command on router R1 (RID 1.1.1.1). Which answer can be verified as definitely true based on this output?() LS Type: Summary Links (AS Boundary Router) Link State ID: 9.9.9.9 (AS Boundary Router address) Advertising Router: 3.3.3.3 LS Seq Number: 8000000D Checksum: 0xE43A Length: 28 Network Mask: /0 TOS: 0 Metric: 100

    • A、The output describes the contents of a Type 5 LSA
    • B、3.3.3.3 identifies a ro uter as being the router performing redistribution
    • C、R1's metric for its best route to reach the router with RID 9.9.9.9 is 100
    • D、The router with RID 3.3.3.3's metric for its best route to reach the router with RID 9.9.9.9 is 100

    正确答案:D

  • 第16题:

    On Router R1, process EIGRP 1 is redistributing routes from process OSPF 2, calling route - map fred with the redistribute ospf 2 command. R1 has learned intra - area routes for 10.1.1.0/24 and 10.1.2.0/24 in part due to the Type 2 LSAs known for each subnet. The route map filters route 10.1.1.0/24 and allows 10.1.2.0/24 througH. Which of the following co mmands on router R1 list subnet 10.1.1.0/24?()

    • A、show ip route
    • B、show ip eigrp topology
    • C、show ip ospf topology
    • D、show ip eigrp topology 10.1.1.0/24

    正确答案:A,C

  • 第17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18题:

    A verification plan shows a network diagram with branch office Routers B1 through B100, plus two ABRs, ABR1, and ABR2, all in area 100. The branches connect to the ABRs using Frame Relay point - to - point subinterfaces. The verification plan lists the output of the show i p ospf database summary 10.100.0.0 command on a router B1, one of the branches. Which of the following is true regarding the output that could be listed for this command?()

    • A、The output lists nothing unless 10.100.0.0 has been configured as a summary rou te using the area range command.
    • B、If 10.100.0.0 is a subnet in area 0, the output lists one Type 3 LSA, specifically the LSA with the lower metric when comparing ABR1's and ABR2's LSA for 10.100.0.0.
    • C、If 10.100.0.0 is a subnet in area 0, the output lists two Type 3 LSAs, one each created by BR1 and ABR2.
    • D、None, because the Type 3 LSAs would exist only in the ABR's LSDBs.

    正确答案:C

  • 第19题:

    The following output on Router R1 lists details of a BGP route for 190.1.0.0/16. Which of the following is true based on this output?() R1# show ip bgp 190.1.0.0/16 BGP routing table entry for 190.1.0.0/16, version 121 Paths: (1 available, best #1, table Default - IP - Routing - Table) Advertised to update - groups: 1 1 2 3 4 1.1.1.1 from 2.2.2.2 (3.3.3.3) Origin IGP, metric 0, localpref 100, valid, internal, best

    • A、R1 has a neighbor 1.1.1.1 command configured.
    • B、R1 has a neighbor 2.2.2.2 command configured.
    • C、The show ip bgp command lists a line for 190.1.0.0/16 with both a n > and an i on the left.
    • D、R1 is in ASN 1.

    正确答案:B,C

  • 第20题:

    单选题
    Examine the following excerpt from the show ip ospf database asbr -summary command on router R1 (RID 1.1.1.1). Which answer can be verified as definitely true based on this output?() LS Type: Summary Links (AS Boundary Router) Link State ID: 9.9.9.9 (AS Boundary Router address) Advertising Router: 3.3.3.3 LS Seq Number: 8000000D Checksum: 0xE43A Length: 28 Network Mask: /0 TOS: 0 Metric: 100
    A

    The output describes the contents of a Type 5 LSA

    B

    3.3.3.3 identifies a ro uter as being the router performing redistribution

    C

    R1's metric for its best route to reach the router with RID 9.9.9.9 is 100

    D

    The router with RID 3.3.3.3's metric for its best route to reach the router with RID 9.9.9.9 is 100


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    OSPF is enabled on router A. You execute the following command on router A and receive theaccompanying output:RouterA#ping 224.0.0.5 repeat1Type escape sequence to abort.Sending 1, 1 00 - byte ICMP Echos to 224.0.0.5, timeout is 2 seconds:Reply to request 0 from 10.100.100.1, 4 ms10.100.100.1 is the IP address of a loopback interface on router A. What can you conclude about router A?()
    A

    Only the router A loopback interface is parti cipating in the OSPF routing process

    B

    None of the router A interfaces are participating in the OSPF routing process

    C

    Router A is using the loopback interface IP address as its OSPF router ID

    D

    Router A does not have any reachable OSPF neighbors


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    The fol lowing line of output was extracted from the output of the show ip bgp command on Router R1. Which of the following can be determined from this output?() Network Next Hop Metric LocPrf Weight Path * 130.1.1.0/28 1.1.1.1 0 1 2 3 4 i
    A

    The route is learne d from an eBGP peer

    B

    The route has no more than three ASNs in the AS_PatH

    C

    The route is the best route for this prefix

    D

    None of these facts can be positively determined by this output


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    Router R1 exists in an Enterprise that uses EIGRP as its routing protocol. The show ip route command output on router R1 lists the following phrase: "Gateway of last resort is 1.1.1.1 to network 2.0.0.0". Whic h of the following is most likely to have caused this output to occur on R1?()
    A

    R1 has been configured with an ip default- network 2.0.0.0 command.

    B

    R1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.

    C

    R1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.

    D

    Another router has been configured with an ip default - network 2.0.0.0 command.

    E

    Another router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.


    正确答案: A
    解析: 暂无解析