Poor network performance is being complained about by Certkiller .com. After running a network trace you find that there are excessive collision occurring on the network. What would you suggest to the customer?

A.
Upgrade to greated capacity hubs to handle the volume

B.
Add additional hubs to segment the collision domain

C.
Replace the hubs with switches

D.
Add an additional Celerra to decrease the workload on the existing Celerra in the network