In a spanning-tree topology, what value is used to determine which port on a non-root switch becomes the root port?

In a spanning-tree topology, what value is

Multiple choice — select the best answer

ALowest port MAC address
BPort priority number and MAC address
CHighest port priority number
DPath cost

✓ Correct answer: D. Path cost In spanning tree, the root port on each non-root switch is the port with the lowest path cost to the root bridge. Path cost is calculated based on link bandwidth; lower bandwidth links have higher cost. When multiple links have equal cost, other tiebreakers such as port priority or MAC address are used.

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In a spanning-tree topology, what value is used to determine which port on a non-root switch becomes the root port?

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