How do IoT devices communicate with each other?
IoT devices typically communicate using protocols like MQTT, HTTP, or CoAP over Wi-Fi, Bluetooth, or cellular networks.
What is MQTT and why is it used?
MQTT stands for Message Queuing Telemetry Transport. It's a lightweight messaging protocol ideal for IoT due to its low bandwidth usage.
Can IoT devices communicate without the internet?
Yes, IoT devices can communicate locally using protocols like Zigbee or Z-Wave, which don't require internet access.
What are the security concerns with IoT communication?
Security concerns include data interception, unauthorized access, and device vulnerabilities. It's crucial to implement strong encryption and authentication.
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