Which statement is correct when utilizing the BGP TTL security check feature?

A.
It is configured locally for each eBGP peering session.

B.
It compares the value of the received packet TTL against a BGP interface Access-List.

C.
It is not functional on multihop BGP peering sessions.

D.
It generates a syslog error if a "forged" packet is received.

E.
It eliminates the need for BGP keepalive packets.