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.
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.
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单选题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？（）AThe 172.16.1.1 neighbor is down.BThe prefix 10.10.10.0/24 is not a ’connected’ routeCThis route is not a BGP learned routeDThe network command is wrongENone of the other alternatives apply
单选题BGP route dampening is configured on a BGP router. Whose routing behavior is affected by this configuration?（）Aupstream EBGP neighborsBdownstream EBGP neighborsCupstream IBGP neighbors learned by IBGP peersDdownstream IBGP neighbors learned by IBGP peers