In the publish-subscribe model of MQTT, which component receives messages from publishers and distributes them to subscribers?
Options
A.
Broker
B.
Sensor
C.
Actuator
D.
More than one of the above
E.
None of the above
Correct Answer (Detailed Explanation is Below)
A.
Broker
Detailed Explanation
In MQTT, the broker acts as an intermediary. Publishers send messages to the broker on a topic, and the broker forwards those messages to subscribers interested in that topic.