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

Rate this post

QUESTION 18

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

A. port priority number and MAC address

B. lowest port MAC address

C. path cost

D. VTP revision number

E. highest port priority number

Correct Answer: C

Section: Switching

Explanation

Explanation/Reference:

We want the root port on a switch to be the one closest to the root switch in the spanning tree. Therefore, it must be the one with the lowest path cost back to the

root switch.