70-742 | What is the most common central device used…

Question: 1

What is the most common central device used today to connect computers to a network?

A. hub
B. switch
C. SOHO router
D. VPN router

Answer: B

Explanation:

Hubs are considered legacy devices and have been replaced by switches. Switches allow multiple computers to connect together. The advantage of a switch over a hub is that it can handle several conversations at the same time.