What value is primarily used to determine which port becomes the root port on each nonroot switch in a spanning-tree topology?

exams 200-125 200-125 exam 0 Comments

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

Answer: E