单项选择题 A Cisco Wireless Location Appliance has been added to track RFID tags placed on laptops beingused in a school. Classrooms at the school have concrete block walls. During testing，you discover that the accuracy of the system needs to be improved.You decide to edit the map in the Cisco WCS to add the interior walls. How many interior walls can you add to improve the accuracy of the location appliance？（）

单项选择题 WhichofthefollowingparametersetsmustbeconfiguredontheCiscoWirelessLocation Appliance？（）

单项选择题 You have been called upon to add location-based services into an existing controller-based wireless design which primarily encompasses handheld devices such as barcode scanners and Cisco7920 wireless IP phones. In which mode should you deploy the additional access points to achievethe density required without excessive co-channel interference？（）