Implementing and Operating Cisco Enterprise Network Core Technologies (ENCOR) — Question 325

If the noise floor is -90 dBm and the wireless client is receiving a signal of גˆ’75 dBm, what is the SNR?

Answer options

• A. 15
• B. 1.2
• C. גˆ’165
• D. .83

Correct answer: A

Explanation

The SNR is calculated by subtracting the noise floor from the signal strength, which is -75 dBm - (-90 dBm) = 15 dB. Option B, C, and D do not accurately reflect this calculation, making option A the correct answer.