After the show bgp summary command is issue, the engineer sees in the output that BGP router ID is set to 0.0.0.0 what is the root cause of this issue?

An operations engineer configured a BGP session between two routers, After deploying the configuration, the engineer notices that the BGP session cannot be established and he sees an error message in the system log.

After the show bgp summary command is issue, the engineer sees in the output that BGP router ID is set to 0.0.0.0 what is the root cause of this issue?
A . A cease notification message is being sent to the neighbor because neighbor router ID does not match the neighbor configuration
B . The router did obtain a BGP router I
C . The bgp router-id command was not found. The router does have an interface with an IPv4 address assigned that is in the up/up state
D . The BGP capalility negotiation failed to negotiate the router ID information between BGP neighbors
E . The router has found a better router ID and it is in the process of switching to the new router ID

Answer: B