Which two requirements complete This design?

An engineer must perform a pre-deployment site survey for a new building in a high-security area. The design must provide a primary signal RSSI of -65 dBm for the clients .

Which two requirements complete This design? (Choose two)
A . Site access
B . AP model
C . WLC model
D . HAVC access
E . Number of clients

Answer: B,E

Explanation: https://www.cisco.com/c/en/us/support/docs/wireless/5500-series-wireless-controllers/116057-site-survey-guidelines-wlan-00.html