Two neighboring routers are able to form an OSPF adjacency, but are not able to establish an IBGP
neighborship. What are two reasons for the IBGP neighborship problem? (Choose two.)

A.
One of the devices has a misconfigured BGP peer address.

B.
One or both of the connected interfaces are missing the family iso statement.

C.
OSPF has a lower route preference than BGP.

D.
A firewall filter on one of the interfaces is blocking TCP traffic.