Raspberry Pi - MQTT for IoT
Which of the following is the correct Python syntax to publish a message with QoS 1 using Paho MQTT client?
Which of the following is the correct Python syntax to publish a message with QoS 1 using Paho MQTT client?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Check Paho MQTT publish method parameters
The method uses lowercase 'qos' as a keyword argument to set QoS level.Step 2: Identify correct syntax
client.publish('topic', 'message', qos=1) uses correct parameter name and value for QoS 1.Final Answer:
client.publish('topic', 'message', qos=1) -> Option CQuick Check:
Correct parameter name is qos (lowercase) [OK]
Quick Trick: Use lowercase 'qos' keyword in publish method [OK]
Common Mistakes:
MISTAKES- Using uppercase 'QoS' instead of 'qos'
- Passing qos=2 when 1 is required
- Using invalid parameter names like qos1
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