Which three recommendations must be taken into consideration when an engineer is installing a new Voice WLAN? (Choose three.)
A. Use the Cisco wireless phone site survey client utility.
B. Use a separate Cisco Wireless Lan Controller.
C. Enable load balance on voice WLANs.
D. Maintain -67dBM as a minimal RSSI.
E. Set data for 2.4 GHz and voice for 5 GHz using separate SSIDs.
F. Enable lower data rates for 2.4-GHz data WLAN.
Answer: A, D, E