Discussion
Which of the following is most commonly used IOT standards for Medium Access Control (MAC) ?
Answer: A
The most commonly used IoT MAC standard is IEEE 802.15.4.
IEEE 802.15.4 defines the physical and medium access control layers for low-rate, low-power wireless personal area networks. It is the foundation of Zigbee, 6LoWPAN, Thread and WirelessHART, which makes it the most widely used MAC standard in IoT sensor networks.
IEEE 802.11ah (Wi-Fi HaLow) is a newer, sub-1 GHz Wi-Fi standard for IoT with far less deployment. IEEE 2413 is an architectural framework for IoT, not a MAC standard. IEEE 11073 is a family of standards for communication between personal health devices.
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