What value is primarily used to determine which port becomes the root port on each nonroot switch in a spanning-tree topology?（）A、lowest port MAC addressB、port priority number and MAC address.C、VTP revision numberD、highest port priority number.E、path cost
What value is primarily used to determine which port becomes the root port on each nonroot switch in a spanning-tree topology?（）
- A、lowest port MAC address
- B、port priority number and MAC address.
- C、VTP revision number
- D、highest port priority number.
- E、path cost
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