Which three statements about RSTP are true? (Choose Three)

A.
RSTP port states are blocking, discarding, learning, or forwarding.

B.
RSTP expands the STP port roles by adding the alternate and backup roles.

C.
RSTP significantly reduces topology reconverging time after a link failure.

D.
RSTP also uses the STP proposal-agreement sequence.

E.
RSTP uses the same timer-based process as STP on point to point links.

F.
RSTP provides a faster transition to the forwarding state on point-to-point than STP does.