Which of the following can be used to limit wireless network access to a single computer?

A.
Configure PPP

B.
Packet sniffing

C.
MAC address filtering

D.
Omni-directional antennas

Explanation:

Wireless access can be filtered by using theMedia Access Control (MAC)addresses of the
wireless devices transmitting within your wireless network. You can either permit or prevent
specific wireless computers and devices access to your wireless network.