Which two statements about the Wireless Location Appliance are true？ （）

• A、 A Wireless Location Appliance acts as a server to one or more Cisco WCSs. It collects， stores， and passes on data from its associated Cisco WLAN controllers.
• B、 Before using the Web interface， the initial configuration of the Wireless Location appliance must be done using the command-line interface （CLI）.
• C、 The Cisco 2000， 2700， 4100， and 4400 are examples of Wireless Location Appliances.
• D、 The Wireless Location Appliance visually displays the location information of WLAN devices and forwards this information to third-party applications using the Simple Network Management Protocol （SNMP）.
• E、 The Wireless Location Appliance visually tracks up to 15，000 WLAN devices and can store this information for 90 days.