On an STP network, before the interface status transits from non-forwarding to forwarding, how many Forward Delay intervals does the interface wait for?

Question

Quizplus · Accepted Answer

In an STP network, an interface waits for 2 Forward Delay intervals before transitioning from the Listening state to the Learning state, and then another 2 Forward Delay intervals before moving from the Learning state to the Forwarding state, totaling 2 intervals for each transition.

On an STP Network, Before the Interface Status Transits from Non-Forwarding