21) Which of the following options represents the best Wi-Fi signal Quality? Example values are provided in parentheses for support.
a) Low RSSI (-80 dBm); Low SNR (10 dB)
b) High RSSI (-30 dBm); Low SNR (10 dB)
c) High RSSI (-30 dBm); High SNR (40 dB)
d) Low RSSI (-80 dBm); High SNR (40 dB)