Refer to the following descriptions, which three are true about Cisco spanning-tree features? (Choose three.)
A.
RPVST+ converges faster than RSTP during a topology change.
B.
STP BPDUs are relayed by all non-root bridges and RSTP BPDUs are generated by each bridge.
C.
RSTP can only achieve rapid transition to Forwarding on edge ports and on point-to-point links.
D.
RPVST+ and RSTP are both based upon the IEEE 802.1w specification.