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