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    Question

    Which of the following is NOT an IoT communication

    protocol?
    A CoAP Correct Answer Incorrect Answer
    B MQTT Correct Answer Incorrect Answer
    C AMQP Correct Answer Incorrect Answer
    D SMTP Correct Answer Incorrect Answer
    E Zigbee Correct Answer Incorrect Answer

    Solution

    SMTP is for email transfer, not for IoT communication.

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