CWNA Wireless Network Administrator

Answer - C - A Wi-Fi switch should be used as an authenticator.

Key Takeaway: Wi-Fi switches serve as the central nervous system for a group of lightweight access points, or LWAPs, often referred to as thin clients. Wi-Fi Switches can also control autonomous APs. Some of the features of a Wi-Fi switch include tracking Wi-Fi devices within the WLAN infrastructure, centralized management, and the ability to include an integrated AAA server for network authentication.