A security practitioner is tasked with securing the organization’s Wireless Access Points (WAP). Which of these is the MOST effective way of restricting this environment to authorized users?

A. Enable Wi-Fi Protected Access 2 (WPA2) encryption on the wireless access point
B. Disable the broadcast of the Service Set Identifier (SSID) name
C. Change the name of the Service Set Identifier (SSID) to a random value not associated with the organization
D. Create Access Control Lists (ACL) based on Media Access Control (MAC) addresses