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Which of the following is the correct way to publish a message using MQTT in Python?

easy📝 Syntax Q12 of 15
Raspberry Pi - MQTT for IoT
Which of the following is the correct way to publish a message using MQTT in Python?
Aclient.publish('topic/name', 'message')
Bclient.send('topic/name', 'message')
Cclient.push('topic/name', 'message')
Dclient.post('topic/name', 'message')
Step-by-Step Solution
Solution:

  1. Step 1: Recall MQTT Python client method

    The standard method to send a message is publish.

  2. Step 2: Verify method names

    Methods like send, push, and post are not used in MQTT Python clients.

  3. Final Answer:

    client.publish('topic/name', 'message') -> Option A

  4. Quick Check:

    Publish method sends messages [OK]
Quick Trick: Use publish() to send MQTT messages in Python [OK]
Common Mistakes:
MISTAKES
  • Using send() instead of publish()
  • Confusing MQTT with HTTP methods
  • Using push() or post() which are invalid

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