Home » Cisco » 300-360 » Which signal-to-noise ratio is an optimal configuration to achieve?
An engineer is determining the signal levels for the wireless cells. Which signal-to-noise ratio is an optimal configuration to achieve?
A. minimum SNR of -33 dBm
B. minimum SNR of -25 dBm
C. minimum SNR of 25 dB
D. minimum SNR of 33 dB
Correct Answer: C
Explanation/Reference:
Explanation:
The minimum recommended wireless signal strength for voice applications is -67 dBm and the minimum SNR is 25 dB.
Reference: http://www.cisco.com/c/en/us/support/docs/wireless/5500-series-wireless-controllers/116057-site-survey-guidelines-wlan-00.html
C is minimum, D is better/more optimal is it?