Which three statements about RST
题目内容(请给出正确答案)
Which three statements about RSTP aretrue?（）
- A、RSTP significantly reduces topology reconverging time after a link failure.
- B、RSTP expends the STP port roles by adding the alternate and backup roles.
- C、RSTP portatates are blocking,discarding,learing,orforwarding.
- D、RSTP also uses the STP proprsal-agreement sequence.
- E、RSTP use the same timer-baseed process as STP on point-to-point links.
- F、RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.
