How are STP timers and state transitions affected when a topology change occurs in an STP
environment?

A.
All ports will temporarily transition to the learning state for a period equal to the max age
timer plus the forward delay interval.

B.
All ports will transition temporarily to the learning state for a period equal to the forward
delay interval.

C.
The default aging time for MAC address entries will be reduced for a period of the max
age timer plus the forward delay interval.

D.
The default hello time for configuration BDPUs will be reduced for the period of the max
age timer.