A technician is implementing a SOHO wireless network for Company A that shares a floor
with Company B. Which of the following would BEST secure the wireless network so that
only Company A employees are allowed access?

A.
Turning down the radio power level

B.
Enabling MAC filtering

C.
Setting a high encryption level

D.
Disabling the SSID broadcast

Explanation:

Reference:
http://compnetworking.about.com/cs/wirelessproducts/qt/macaddress.htm