What are three functions of the Cisco wireless LAN controller, which is being used in the
Company Centralized WLAN solution network? (Select three)

A.
Authentication

B.
Mobility

C.
Security management

D.
Transmission of beacon frames

E.
Real-time portions of MAC management

F.
Real-time aspects of the 802.11 prtocol management

G.
SNMP collection

Explanation:
Cisco Wireless LAN Controllers work in conjunction with Cisco Lightweight Access Points
and the Cisco Wireless Control System (WCS) to provide systemwide wireless LAN (WLAN)
functions. As components of the Cisco Unified Wireless Network, Cisco Wireless LAN
Controllers present network administrators with the visibility and control necessary to
effectively and securely manage business-class WLANs and mobility services, such as
enhanced security, voice, guest access, and location services.

Features and Benefits of Cisco Wireless LAN Controllers

Reference:
http://www.cisco.com/en/US/prod/collateral/wireless/ps6302/ps8322/ps6366/prod_brochure0
900aecd805aa860.html