H12-811_V1.0 Exam Dumps | Which of the following port statuses may exist on an STP-enabled switch?

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Question 44/132

Which of the following port statuses may exist on an STP-enabled switch?

A. Discarding

B. Listening

C. Disabled

D. Forwarding

Correct Answer: A,B,D

Comprehensive Explanation: In STP (Spanning Tree Protocol), ports can be in several states, including:
* Discarding: The port is not forwarding traffic, either because it is in a blocking state or not participating in active forwarding.
* Listening: The port is processing BPDUs and is preparing to transition to either the learning or forwarding state. No data frames are forwarded during this state.
* Forwarding: The port is actively forwarding traffic as part of the active network topology.
The "Disabled" state is not part of the STP protocol but rather represents a port that is administratively shut down or not participating in the STP process.

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