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QusWhich IoT protocol is commonly used for lightweight, bidirectional communication between IoT devices and the cloud? QusIoT उपकरणों और क्लाउड के बीच लाइटवेट , बाईडायरेक्शन संचार के लिए आमतौर पर किस IoT प्रोटोकॉल का उपयोग किया जाता है?

A. MQTT (Message Queuing Telemetry Transport)
B. CoAP
C. HTTP/2
D. UDP (User Datagram Protocol)

Solution

A. MQTT (Message Queuing Telemetry Transport)

Explanation

MQTT (Message Queuing Telemetry Transport)Designed for low-bandwidth, high-latency, or unstable networksUses publish/subscribe messaging patternIdeal for constrained devices (low power, low memory)Enables real-time, bidirectional communication (device ↔ cloud)