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Which protocol interacts asynchronously over UDP?(a) HMTP(b) CoAP(c) MQTT(d) TCP/IPThis question was posed to me in an online quiz.The origin of the question is IoT Architecture for Precision Agriculture in portion IoT Architecture of IOT

Answer» RIGHT choice is (B) CoAP

The explanation: CoAP is an application layer PROTOCOL (IETF draft) for resource constrained DEVICES. It is Asynchronous message interactions over UDP, Request/Response semantics CoAP resources are identified by Uniform Resource Identifiers.


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