Which two statements about BGP confederation architecture are true? (Choose two)

Which two statements about BGP confederation architecture are true? (Choose two)
A . The ASN of a confederation is excluded from the AS_PATH path length calculation
B . The intraconfederation EBGP default TTL value between sub-ASes is 255
C . IBGP sessions inside a sub-AS have a default TTL of 1
D . The intraconfederation EBGP default value between sub-ASes is 1
E . The AS_SET and AS_SEQ components help prevent loops inside a sub-AS

Answer: DA