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Which two pieces of information are necessary to compute SNR? (Choose two.)
Which two pieces of information are necessary to compute SNR? (Choose two.)
A . transmit power
B . noise floor
C . EIRP
D . RSSI
E . antenna gain
Answer: AB
Explanation:
Reference: https://community.cisco.com/t5/wireless-mobility-documents/snr-rssi-eirp-and-free-space-path-loss/ta-p/3128478
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Correct Answer is B, D
Hi everyone.
As explained in the reference link :
To calculate the SNR value, we add the Signal Value (RSSI) to the Noise Value and it generates (or should) a positive number that is expressed in decibels (db). For example, lets say your Signal value is -55dBm and your Noise value is -95dBm.
-55dBm + -95dBm = 40db this means you have an SNR of 40, the general rule of thumb is that any SNR above 20 is good.
So answer is B & D