30. In the Internet of Things (IoT), what is the MQTT protocol?
(A) MQTT is a protocol for communication between IoT devices, with its main feature being the
ability to provide real-time communication.
(B) MQTT is a protocol for communication between IoT devices, with its main feature being to
provide efficient low-power communication.
(C) MQTT is a protocol for communication between IoT devices, with its main feature being to
provide highly secure communication.
(D) MQTT is a protocol for communication between IoT devices, with its main feature being the
ability to provide wide-area network communication.
(E) MQTT is a protocol for communication between IoT devices, with its main feature being to
provide highly scalable communication.
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