Which of the following IEEE 802.1D port states are stable states used when STP has completed convergence? (Choose two answers.)Question 7Select one or more:LearningDiscardingListeningBlockingForwarding
Question
Which of the following IEEE 802.1D port states are stable states used when STP has completed convergence? (Choose two answers.)Question 7Select one or more:LearningDiscardingListeningBlockingForwarding
Solution
The two stable states used when Spanning Tree Protocol (STP) has completed convergence according to IEEE 802.1D are:
- Blocking
- Forwarding
During the STP process, ports will transition through the Listening and Learning states, but once convergence is complete, the ports will be in either the Blocking or Forwarding states. The Discarding state is not a part of the traditional 802.1D STP states.
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