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

View Answer

Answer: C

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

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