Which lightweight messaging protocol uses a publish/subscribe model for…

2025

Which lightweight messaging protocol uses a publish/subscribe model for efficient data transfer in IoT environments with constrained devices?

  1. A.

    HTTP

  2. B.

    FTP

  3. C.

    MQTT

  4. D.

    TCP

  5. E.

    SMTP

Attempted by 1 students.

Show answer & explanation

Correct answer: C

Correct answer: MQTT.

  • MQTT is a lightweight messaging protocol designed for constrained devices and unreliable or low-bandwidth networks.

  • It uses a publish/subscribe model through a broker, which makes it well suited for IoT telemetry and device communication.

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