Which two statements about BGP facilitate the prevention of routing loops between two autonomous systems?

EBGP routers will append their AS number when advertising routes to their neighbors.

EBGP routers will only accept routes that contain their own AS number in the AS_PATH.

EBGP routers will drop routes that contain their own AS number in the AS_PATH

EBGP routers will prepend their AS number when advertising routes to their neighbors