Professor Messer A+ 220-1201 lesson on connecting mobile devices — mini/micro-USB, Type-A, USB-C, Lightning, NFC, Bluetooth PAN, hotspot vs tethering.
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Professor Messer A+ 220-1201 objective 2.2 — 802.11/Wi-Fi naming, frequency bands, channels and bandwidth, Bluetooth and ISM, RFID passive/active tags, and NFC.
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