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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Subscribe
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Publish
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Topic
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Transport
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Detailed explanation-1: -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.
Detailed explanation-2: -Again, the information exchange between a publishing client and the MQTT broker starts with the connection. Once it’s successful, the publisher can send messages to the broker, which, in turn, forwards messages to the clients subscribed to the message topic.
Detailed explanation-3: -MQTT is based on a publish/subscribe model for message communication. The client can be both a publisher (publish a message) and a subscriber (subscribe to a topic). That is, when a client publishes a message to the broker, the broker will forward the message to clients subscribed to this topic after receiving it.
Detailed explanation-4: -Publisher. The publisher is responsible for publishing messages to a topic. Subscriber. The subscriber receives messages by subscribing to a topic and can subscribe to multiple topics at once. Broker. Topic.