Which two Cisco Wireless Control System （WCS） statements are true？（）
- Athe WCS Base version includes all the features of the WCS Location version as well as additional enhancements
- Bthe WCS Base version provides on-demand location of rogue access points and clients to within 33 feet （10 meters）
- CWCS adds a graphical view of multiple Cisco Wireless LAN controllers and managed access points
- DWCS includes a network management tool which is similar to a site survey tool
- EWCS uses the CDP protocol to communicate with the controller