EMERGING TRENDS IN COMPUTING
INTERNET OF THINGS IOT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The operation of MQTT IoT Device or User device that is interested in receiving news from other devices must notify their intention by doing what?
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Subscribe
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Publish
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Topic
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Transport
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Explanation:
Detailed explanation-1: -MQTT publish/subscribe pattern (also known as pub/sub) provides an alternative to traditional client-server architecture.
Detailed explanation-2: -The standard ports are 1883 for nonencrypted communication and 8883 for encrypted communication–using Secure Sockets Layer (SSL)/Transport Layer Security (TLS).
Detailed explanation-3: -As mentioned in the introduction, MQTT is a publish/subcribe messaging protocol. Clients will connect to the network, which can subscribe or publish to a topic. When a client publishes to a topic, the data is sent to the broker, which then is distributed to all the clients that are subscribed to that topic.
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