Iot(Internet Of Things)

5 Questions | Total Attempts: 410

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Internet Quizzes & Trivia

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Questions and Answers
  • 1. 
    Which protocol is lightweight?
    • A. 

      MQTT

    • B. 

       HTTP

    • C. 

      CoAP

    • D. 

       SPI

  • 2. 
    MQTT is better than HTTP for sending and receiving data.
    • A. 

      True

    • B. 

      False

  • 3. 
    By clicking which key the PubNub will display public, subscribe, and secret keys.
    • A. 

      Pane

    • B. 

      Demo Keyset

    • C. 

       Portal

    • D. 

      Network

  • 4. 
    The messageChannel class declares the _________ class attribute that defines the key string. a) command_key b) command-key c) commandkey d) Key_command
  • 5. 
    What is the java extension file in IoT?
    • A. 

       .jar

    • B. 

      .c

    • C. 

       .exe

    • D. 

       .py

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