In Rapid PVST+, which port role on a non-root switch is assigned to the interface that provides the most efficient path to the root bridge?
Alternate Port
Root Port
Backup Port
Designated Port
The root port on a non-root switch is the port that has the lowest-cost path to the root bridge and is responsible for forwarding traffic upstream toward the root bridge. It is always in a forwarding state unless the network topology changes. The designated port is the port on each network segment that has the best path to the root bridge and forwards traffic downstream away from the root bridge. Alternate and backup ports are in blocking states to prevent loops and provide backup paths if the active paths fail.
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