NIELIT O Level Exam

What is the purpose of the IoT protocol MQTTs QoS (Quality of Service) levels?

What is the purpose of the IoT protocol MQTTs QoS (Quality of Service) levels?

A. Control device power consumption

B. Ensure reliable message delivery

C. Enable peer-to-peer communication

D. Facilitate device discovery




Correct Answer is :

B. Ensure reliable message delivery



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