Which three IoT wireless mesh protocols are built on top of 802.15.4? (Choose three.)
- Bluetooth Low Energy
- near field communication
- 6LoWPAN
- ZigBee
- Wi-Fi
- Thread
Explanation: The IEEE 802.15.4 protocol was originally developed for use in personal-area networks (PANs) and consists of physical (PHY) and media access layer specifications. Due to the layered architecture, developers have been able to create diverse upper-layer protocols to allow ZigBee, Thread, and 6LoWPAN to run on top of 802.15.4.
Exam with this question: IoT Security 1.1 Chapter 4 Quiz Answers
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