Which two Cisco Wireless Control System （WCS） statements are true？（）

• A、the WCS Base version includes all the features of the WCS Location version as well as additional enhancements
• B、the WCS Base version provides on-demand location of rogue access points and clients to within 33 feet （10 meters）
• C、WCS adds a graphical view of multiple Cisco Wireless LAN controllers and managed access points
• D、WCS includes a network management tool which is similar to a site survey tool
• E、WCS uses the CDP protocol to communicate with the controllers