A network architect has collected data on link utilization. When analyzing link utilization, what is
the general guideline?

A.
You upgrade a link that is often used at more than 50 percent utilization

B.
You upgrade a link when it reaches 100 percent utilization

C.
You upgrade a link if it sometimes peaks at more than 50 percent utilization

D.
You upgrade a link when it reaches 25 to 30 percent utilization

Explanation: