Sim-Ex™ Practice Exams for CWNA : Practice Questions


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Q4. What does RSSI (Received Signal Strength Indicator) measure in wireless communication systems?

A. The distance between devices

B. The frequency of the received signal

C. The strength of the received radio signal

D. The modulation scheme used in the transmission

Correct Answer: C. The strength of the received radio signal


RSSI quantifies the strength or power level of the received radio signal. It does not directly measure the distance between devices, the frequency of the signal, or the modulation scheme used in transmission.

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