Which three port states are used by RSTP 802.1w?

Which three port states are used by RSTP 802.1w? (Choose three.)

A.
Listening

B.
Learning

C.
Forwarding

D.
Blocking

E.
Discarding

F.
Disabled

Explanation:
STP (802.1D) Port State RSTP (802.1w) Port State

Disabled Discarding
Blocking Discarding
Listening Discarding
Learning Learning
Forwarding Forwarding