Raspberry Pi - MQTT for IoT
Which of the following is the correct Python syntax to subscribe to an MQTT topic named
"home/lights/control" using the Paho MQTT client?Which of the following is the correct Python syntax to subscribe to an MQTT topic named "home/lights/control" using the Paho MQTT client?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Paho MQTT subscribe method
The method to subscribe to a topic issubscribe().Step 2: Match the correct syntax
Usingclient.subscribe("home/lights/control")is correct syntax.Final Answer:
client.subscribe("home/lights/control") -> Option CQuick Check:
Subscribe method is subscribe() [OK]
Quick Trick: Subscribe uses .subscribe(), not .sub() or .listen() [OK]
Common Mistakes:
MISTAKES- Using .sub() instead of .subscribe()
- Confusing subscribe with connect
- Using non-existent methods like .listen()
Master "MQTT for IoT" in Raspberry Pi
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