Which three of these are considered Cisco RF guidelines for a proper VoWLAN deployment? (Choose three.)
A. Cell edge should be -67 dBm with 20 to 30 percent overlap.
B. Channel utilization should be kept under 30 percent.
C. Noise levels should not exceed -92 dBm.
D. Packet loss should not exceed 5 percent.
E. Jitter should be kept at a minimum (less than 300 ms).
F. 802.11 retransmissions should be less than 20 percent.
