During BGP configuration on a router that has peered with other BGP speakers, the BGP comm
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.
![](https://lstatic.shangxueba.com/sxbcn/h5/images/tips_org.png)