What do you use to isolate a group of computers within your organization?

A.
WLAN

B.
WAN

C.
VLAN

D.
Internet

Explanation:
Identifying Types of LANs

A virtual LAN (VLAN) is a group of hosts with a common set of requirements that communicate as though they were connected together as normal on
one switch, regardless of their physical location. A VLAN is implemented to segment a network, reduce collisions, organize the network, boost performance, and
increase security.