Implementing and Operating Cisco Enterprise Network Core Technologies (ENCOR) — Question 932

If a client's radio device receives a signal strength of -67 dBm and the noise floor is -85 dBm, what is the SNR value?

Answer options

• A. 15 dB
• B. 16 dB
• C. 18 dB
• D. 20 dB

Correct answer: C

Explanation

To calculate SNR, subtract the noise floor from the signal strength: -67 dBm - (-85 dBm) = 18 dB. Therefore, the correct answer is C. The other options are incorrect as they do not represent the correct calculation of SNR based on the given values.