Which is a valid reason to implement a wireless LAN controller (WLC)?

A. Centralized authentication
B. The use of autonomous WAPs
C. Multiple SSIDs
D. Multiple VLANs

A. Centralized authentication of clients is a valid reason to implement a WLC. Although a WLC makes it easier to implement multiple SSIDs and VLANs, this task can be performed with autonomous WAPs, each performing its own authentication.