Which two statements about the BGP TTL security check are true?

Which two statements about the BGP TTL security check are true? (Choose two)

A.
It is more useful for iBGP sessions than eBGP sessions.

B.
The default TTL for all neighbor session packets is 255 when eBGP is configured.

C.
It secures incoming eBGP session only

D.
It Protects the BGP process from DOS attacks

E.
It enforces each BGP packet’s maximum TTL value