when a topology change occurs in an STP environment?

A change of the PassGuide spanning tree network is being propagated to all STP devices. How are STP timers and state transitions affected when a topology change occurs in an STP environment?

A change of the PassGuide spanning tree network is being propagated to all STP devices. How are STP timers and state transitions affected when a topology change occurs in an STP environment?

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

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

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



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