Which statement best describes the publish–subscribe model used in MQTT compared to the client–server model of CoAP?

Question

Accepted Answer

MQTT decouples publishers and subscribers via a broker, unlike direct client–server communication.

Answer

Both require devices to maintain synchronized states at all times.

Answer

CoAP uses topics, while MQTT uses endpoints.

Answer

MQTT requires direct connection between clients, while CoAP does not.

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