In the context of IoT device connectivity, what is the primary advantage of using MQTT over HTTP?
- MQTT has better support for caching
- MQTT is better for devices with high bandwidth
- MQTT is more secure due to its encrypted communication
- MQTT supports bidirectional communication
MQTT (Message Queuing Telemetry Transport) is preferred in IoT because it offers a lightweight and efficient communication protocol. MQTT is known for its low overhead, which makes it suitable for devices with limited resources. Additionally, MQTT offers encrypted communication for enhanced security, which is crucial in IoT applications where data privacy is a concern.
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