Which Two Statements Are True About What a Route Reflector

Multiple Choice

Which two statements are true about what a route reflector does by default when distributing routes it has received from reflector clients? (Choose two.)

A) It does not change any received BGP attributes.
B) It changes the default BGP attributes to inform peers that it is a route reflector.
C) It sets the next hop of all routes to "self" to prevent routing loops.
D) It adds its cluster ID to the client-received routes.