A problem was reported that the 10.10.10.0/24 prefix was not injected into the local BGP table ona Company router named R1. The following information is available from this router:  R1 Configuration:  router bgp 65001 network 10.0.0.0 neighbor 172.16.1.1 

题目

A problem was reported that the 10.10.10.0/24 prefix was not injected into the local BGP table ona Company router named R1. The following information is available from this router:  R1 Configuration:  router bgp 65001 network 10.0.0.0 neighbor 172.16.1.1 remote-as 65002 no auto-summary  Routing table information:  show ip route | include 10 O 10.10.10.0/24 [110/11] via 192.168.1.1, 2d00h, Ethernet0/0  Why is this prefix not in the local BGP table of the R1?()

  • A、The 172.16.1.1 neighbor is down.
  • B、The prefix 10.10.10.0/24 is not a ’connected’ route
  • C、This route is not a BGP learned route
  • D、The network command is wrong
  • E、None of the other alternatives apply
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相似问题和答案

第1题:

The following output was taken from the show ip bgp command on Router R2. In this case, which of the following commands are most likely to already be configured on R2?()BGP router identifier 11.11.11.11, local AS number 11...Neighbor V AS Ms gRcvd MsgSent TblVer InQ OutQ Up/DownState/PfxRcd1.1.1.1 4 1 87 87 0 0 0 00:00:06 Idle(Admin)2.2.2.2 4 3 173 183 41 0 0 00:58:47

A. router bgp 11

B. neighbor 1.1.1.1 remote- as 11

C. neighbor 2.2.2.2 prefix - limit 1

D. neighbor 1.1.1.1 shutdown


参考答案:A, D

第2题:

Refer to the exhibit The neighbor 10.1.1.1 weight 200 BGP configuration command has been configured on router A. What will be the result of this configuration? ()

A. Router A will prefer the path through router B for network 172.20.0.0

B. Router A will prefer the path through router C for network 172.20.0.0

C. Packets from router D will prefer the path through router B for networks advertised by router A

D. Packets from r outer D will prefer the path through router C for networks advertised by router A


参考答案:A

第3题:

Which set of configuration commands configures MBGP on the ERX Edge Router?()

A. router bgp 100 neighbor 192.168.10.1 remote-as 200 address-family ipv4 multicast neighbor 192.168.10.1 next-hop-self

B. router bgp 100 neighbor 192.168.10.1 remote-as 200 address-family vpnv4 multicast neighbor 192.168.10.1 activate

C. router bgp 100 neighbor 192.168.10.1 remote-as 200 address-family ipv4 unicast neighbor 192.168.10.1 active

D. router bgp 100 neighbor 192.168.10.1 remote-as 200 address-family ipv4 multicast neighbor 192.168.10.1 activate


参考答案:D

第4题:

During BGP configuration on a router that has peered with other BGP speakers, the BGP command aggregate-a ddress 172.32.0.0 255.255.252.0 is issued. However, the peers do not receive this aggregate network in BGP advertisements. Also, the router does not have this aggregate network in its BGP table.Which option indicates a possible reason this command did not cause the router to advertise the aggregate network to its peers?()

A. Interface NULL 0 is likely shutdown.

B. The next hop IP address must be a loopback address.

C. The BGP command no auto - summary is missing.

D. The BGP command no synchronization is missing.

E. Subnets of 172.32.0.0/22 do not exist in the BGP table.

F. The IGP running on this router does not have network 172.32.0.0/22 installed.


参考答案:E

第5题:

Based on the show ip bgp summary output, which two statements are true?()

A. The BGP session to the 10.3.3.3 neighbor is established, but the router has not received any BGP routing updates from the 10.3.3.3 neighbor.

B. The router is attempting to establish a BGP peering session with the 10.2.2.2 neighbor.

C. The router is attempting to establish a BGP peering session with the 10.1.1.1 neighbor.

D. The BGP session to the 10.3.3.3 neighbor is established.

E. The BGP session to the 10.2.2.2 neighbor is established.

F. The BGP session to the 10.1.1.1 neighbor is established.


参考答案:B, F

第6题:

Enterprise Router R1, in ASN 1, connects to ISP Router I1, ASN 2, using eBGP. There are two parallel serial links between the two rou ters. The implementation plan calls for each router to base their BGP TCP connection on their respective loopback1 interfaces, with IP addresses 1.1.1.1 and 2.2.2.2, respectively.Which of the following commands would not be part of a working eBGP confi guration on Router R1?()

A. router bgp 1

B. neighbor 2.2.2.2 remote- as 2

C. neighbor 2.2.2.2 update - source loopback1

D. neighbor 2.2.2.2 multihop 2


参考答案:D

第7题:

Refer to the exhibit. Network 10.0.0.0/8 is being advertised to autonomous system 65550 via both external links. Which statement about the preferred path to the 10.0.0.0/8 network is true? ()

A. Router R2 will be preferred because it has the higher neighbor IP address.

B. Router R2 will be preferr ed because its neighbor has a lower autonomous system number.

C. Router R1 will be preferred because it has a lower local preference.

D. Router R2 will be preferred because it has a higher local preference.

E. Router R1 will be preferred because its nei ghbor has the higher autonomous system number.

F. Router R1 will be preferred because it has the lower neighbor IP address.


参考答案:D

第8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 0.1.0.0/16BGP routing table entry for 190.1.0.0/16, version 121Paths: (1 available, best 1, table Default - IP - Routing - Table)Advertised to update - groups:11 2 3 41.1.1.1 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.


参考答案:B, C

第9题:

For the accompanying router output, which of the following statements describes the stat e that neighbor 172.16.254.3 is in?()

A. The router will not accept connections from the peer.

B. BGP can exchange routing information in this state.

C. The router is listening on its server port for connection requests from the peer.

D. The router ha s sent out an active TCP connection request to the peer.


参考答案:C

第10题:

Refer to the exhibit. On the basis of the configuration that is provided, how would the BGP updates that come from router R1 be replicated inside autonomous system 65200?()

A. All BGP updates that are received on router R 2 will be sent to routers R3 and R4. Routers R3 and R4 will then forward those BGP updates to router R5

B. None of the BGP updates that are received on router R2 will ever be received by router R5

C. All BGP updates that are received on router R2 will not be sent to routers R3 and R4

D. All BGP updates that are received on router R2 will be sent directly to router R5


参考答案:B

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