CompTIA A+ 220-902 Question C-62

The technician is dispatched to a users home to secure a wireless network. The SOHO user has only one system to connect wirelessly, yet wishes to protect their Wi-Fi from unauthorized use. Which of the following will BEST meet the users requirements?

A. Configure the router to allow access by MAC address.
B. Configure the use of DHCP.
C. Configure the use of static IP addresses.
D. Configure the network to utilize a proxy.