Raspberry Pi - MQTT for IoT
Which of the following is the correct Python method to subscribe to a topic using the paho-mqtt client?
Which of the following is the correct Python method to subscribe to a topic using the paho-mqtt client?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall paho-mqtt subscription method
The method to subscribe is 'subscribe'.Step 2: Check method usage
client.subscribe('topic') is the correct syntax.Final Answer:
client.subscribe('home/livingroom') -> Option CQuick Check:
Subscribe method = subscribe() [OK]
Quick Trick: Use client.subscribe(topic) to listen [OK]
Common Mistakes:
MISTAKES- Using 'sub' instead of 'subscribe'
- Using 'listen' which is invalid
- Confusing connect with subscribe
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