Which protocol is commonly used for machine to machine communication

MCQ Answer

Which protocol is commonly used for machine-to-machine communication?

मशीन-से-मशीन संचार के लिए आमतौर पर कौन सा प्रोटोकॉल उपयोग किया जाता है?

Topic : Things and Connections

A. MQTT

B. FTP

C. SMTP

D. POP3

Correct Answer is :

A. MQTT