Which three statements about the Cisco WCS auto-provisioning feature are true? (Choose three.)
A. Auto-provisioning allows WCS to automatically configure a new or replace a current wireless LAN controller.
B. The service port of the WLAN controller is required to have network connectivity for the auto-provisioning process to begin.
C. DHCP Option 43 (vendor-specific information) has to be configured in the DHCP scope options for the auto-provisioning process to begin.
D. DHCP Option 150 (TFTP server address) has to be configured in the DHCP scope options for the auto-provisioning process to begin.
E. Using the add filter command in WCS will create a controller configuration file.
F. WCS auto-provisions the management interface of the WLAN controller by pushing a predefined template.