Which two statements correctly describe how the AS path attribute is used by BGP?
(Choose two.)

A.
The AS path attribute is updated in EBGP advertisements only and is the primary
loop-avoidance mechanism for BGP.

B.
When local preference is the same, the AS path attribute is a common tiebreaker, where
paths with fewer AS hops are preferred.

C.
When local preference is the same, the AS path attribute is a common tiebreaker, where
paths with more AS hops are preferred.

D.
The AS path attribute is updated whenever an EBGP-learned route is re-advertised using
IBGP.