搜题

【单选题】

PassGuide has a BGP network and a BGP route of 197.22.129.0/24 that should be propagated to all of the devices. The route is currently not in any of the routing tables. The PassGuide administrator determines that an access list is the cause of the problem. The administrator changes the access list to allow this route, but the route still doesnot appear in any of the routing tables. What should be done to propagate this route（）

A、Use the service-policy command to adjust the QOS policy to allow the route to propagate.

B、Clear the BGP session.

C、Use the release BGP routing command.

D、Change both the inbound and outbound policy related to this route.

E、None of the other alternatives apply

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更多“PassGuide has a BGP network and a BGP route of 197.22.129.0/24 that should be propagated to all of the devices. The route is currently not in any of the routing tables. The PassGuide administrator determines that an access list is the cause of the problem. The administrator changes the access list to allow this route, but the route still doesnot appear in any of the routing tables. What should be done to propagate this route（）”相关的问题

第1题

[多选题] Refer to the exhibit. Router RTR is attempting to establish BGP neighbor relationships with routersRT1 and RT3. On the basis of the information that is presented in the exhibit， which twostatements are true？（）

A、RTR has a BGP password set but neighbor 10.0.0.1 does not B、Neighbor 10.0.0.5 has a BGP password set but RTR does not C、RTR has a BGP password set but neighbor 10.0.0.5 does not D、RTR has a BGP password set but neighbor 10.0.0.1 has an incorrect password set E、Neighbor 10.0.0.1 has a BGP password set but RTR does not. F、RTR has a BGP password set but neighbor 10.0.0.5 has an incorrect password set

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第2题

[单选题] Above is the output from show ip bgp neighbors command. What is line 21 stating about the BGP connection？（）

A、the number of consecutive TCP connections to the specified remote neig hbor B、the number of total TCP connections that the router has C、the number of times the router has established a TCP connection D、the number of neighbors that the router has

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第3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?（） 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、A. Interface NULL 0 is likely shutdown. B、B. The next hop IP address must be a loopback address. C、C. The BGP command no auto - summary is missing. D、D. The BGP command no synchronization is missing. E、E. Subnets of 172.32.0.0/22 do not exist in the BGP table. F、F. The IGP running on this router does not have network 172.32.0.0/22 installed.

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第4题

[多选题] 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.

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第5题

[单选题] Which description of BGP authentication is true？（）

A、MD5 has been used by BGP to encrypt BGP update packets. B、BGP uses a message-digest algorithm to authenticate BGP peers C、A plain-text password authentication is an option of BGP authentication D、EBGP peers authentication is faster than IBGP peers authentication E、BGP uses public key and private key to authenticate BGP peers.

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第6题

[单选题] A problem was reported that the 10.10.10.0/24 prefix was not injected into the local BGP table on a PassGuide router named PG1.The following information is available from this router：PG1 Configuration：router bgp 65001network 10.0.0.0neighbor 172.16.1.1 remote-as65002no auto-summaryRouting table information：show ip route|include 10O10.10.10.0/24[110/11]via192.168.1.1，2d00h，Ethernet0/0Why is this prefix not in the local BGP table of thePG1（）

A、The 172.16.1.1 neighbor is down. B、The prefix 10.10.10.0/24is 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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第7题

[多选题] You issue the command show process memory ∣ include BGP and notice that BGP is consuming alarge percentage of the router’s memory. Which of the following steps would result in lowering theamount of memory being consumed by BGP？（Choose all that apply.）（）

A、Filter unneeded BGP routes B、Run BGP on a different platform that already has more memory C、Upgrade the router memory D、Increase the BGP update timer E、Compress the BGP table F、Use a default route instead of maintaining a full BGP table

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第8题

[多选题] 关于BGP路由通告原则描述正确的是（）

A、BGP连接一建立，BGP Speaker将把自己所有BGP路由通告给新对等体 B、BGP Speaker会把自己所有的BGP路由通告给对等体 C、一般情况下，当存在多条路径时，BGP Speaker只选最优的给自己使用 D、BGP Speaker从EBGP获得路由会向它所有的BGP对等体通告

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第9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 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、A. R1 has a neighbor 1.1.1.1 command configured. B、B. R1 has a neighbor 2.2.2.2 command configured. C、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、D. R1 is in ASN 1.

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