220-1101 - Networking - Section 2.3
Compare and contrast protocols for wireless networking, including 802.11 standards, frequencies, channels, and Bluetooth, RFID, and NFC.
Compare the 802.11 wireless standards (a/b/g/n/ac/ax) by their supported frequency band (2.4 GHz, 5 GHz, 6 GHz) and throughput, and recognise the channel-overlap problem on 2.4 GHz. Distinguish long-range fixed wireless from short-range protocols - Bluetooth, RFID, and NFC - and match each to its typical use case.
802.11 standards2.4 GHz vs 5 GHzWi-Fi channelsRFID and NFC
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