You Are Planning to Replace All the Hubs Used on Your

Multiple Choice

You are planning to replace all the hubs used on your corporate network with switches. Which of the following statements is true when this is done?

A) Switch operates at a layer which is lower than where the hub operates.
B) Switch increases the number of collision domains.
C) Switch decreases the number of collision domains.
D) Switch operates at a layer that is higher than where the hub operates.