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You want to consume messages from multiple topics ['topicA', 'topicB'] and process only messages from topicB. Which code snippet correctly implements this?

hard🚀 Application Q8 of Q15

Kafka - with Java/Python

You want to consume messages from multiple topics ['topicA', 'topicB'] and process only messages from topicB. Which code snippet correctly implements this?

Aconsumer.assign(['topicA', 'topicB']) for msg in consumer: if msg.topic == 'topicB': print(msg.value.decode())

Bconsumer.subscribe('topicB') for msg in consumer: print(msg.value.decode())

Cconsumer.subscribe(['topicA', 'topicB']) for msg in consumer: if msg.topic == 'topicB': print(msg.value.decode())

Dconsumer.subscribe(['topicA', 'topicB']) for msg in consumer: print(msg.value.decode())

Step-by-Step Solution

Solution:

Step 1: Subscribe to both topics
Use subscribe(['topicA', 'topicB']) to listen to both topics.
Step 2: Filter messages by topic
Inside the loop, check if msg.topic == 'topicB' before processing.
Final Answer:
Subscribe to both and filter inside loop -> Option C
Quick Check:
Subscribe multiple, filter by topic [OK]

Quick Trick: Subscribe multiple topics, filter messages by topic [OK]

Common Mistakes:

MISTAKES

Subscribing only to one topic when multiple needed
Using assign() incorrectly for topics
Not filtering messages by topic

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