An engineer is designing a network using RSTP. Several devices on the network support only legacy STP.
Which outcome occurs?
A . RSTP and STP choose the protocol with the best performance.
B . RSTP and STP interoperate and fast convergence is achieved.
C . RSTP and STP are not compatible and legacy ports error disable.
D . RSTP and STP interoperate, but the fast convergence is not used.
Answer: D