Answer A,C is correct: A. The spanning-tree mode is Rapid PVST+.; C. The root port is FastEthernet 2/1.. The output indicates Rapid PVST+ operation and shows FastEthernet2/1 as the root port. In spanning-tree verification, the protocol mode tells which STP variant is running, while the root port identifies the local switch port with the best path toward the root bridge. A designated port is selected per segment to forward toward that segment, so the same interface should not be assumed to be designated when the output identifies it as the root port. Cisco CCNA 200-301 v1.1 Network Access requires engineers to read STP role output precisely because root bridge, root port, and designated port are different concepts. The corrected answer pair is Rapid PVST+ and root port FastEthernet2/1. That matches the operational state shown in the exhibit and avoids the common mistake of treating every forwarding port as a designated port.
Contribute your Thoughts:
Chosen Answer:
This is a voting comment (?). You can switch to a simple comment. It is better to Upvote an existing comment if you don't have anything to add.
Submit