Ann, a security administrator, has concerns regarding her company’s wireless network. The network is open and available for visiting prospective clients in the
conference room, but she notices that many more devices are connecting to the network than should be.

Which of the following would BEST alleviate Ann’s concerns with minimum disturbance of current functionality for clients?

A.
Enable MAC filtering on the wireless access point.

B.
Configure WPA2 encryption on the wireless access point.

C.
Lower the antenna’s broadcasting power.

D.
Disable SSID broadcasting.

Explanation:
Some access points include power level controls that allow you to reduce the amount of output provided if the signal is traveling too far.
Incorrect Answers:
A: This would require clients to furnish the security administrator with their device’s MAC address.
B: This would require clients to ask for Wi-Fi access.
D: Clients would not be able to detect the Wi-Fi network.

Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, Sixth Edition, Sybex, Indianapolis, 2014, pp 172, 177, 178, 183.