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Which of the following is the correct way to acknowledge a message in Google Cloud Pub/Sub client libraries?

easy📝 Configuration Q12 of 15
GCP - Cloud Pub/Sub
Which of the following is the correct way to acknowledge a message in Google Cloud Pub/Sub client libraries?
ACall <code>message.ack()</code> after processing the message.
BCall <code>message.delete()</code> to remove the message.
CCall <code>message.complete()</code> to finish processing.
DCall <code>message.finish()</code> to acknowledge.
Step-by-Step Solution
Solution:

  1. Step 1: Identify acknowledgment method

    In Pub/Sub client libraries, acknowledging a message is done by calling ack() on the message object.

  2. Step 2: Verify other options

    Methods like delete(), complete(), or finish() are not valid for acknowledgment.

  3. Final Answer:

    Call message.ack() after processing the message. -> Option A

  4. Quick Check:

    Use message.ack() to acknowledge [OK]
Quick Trick: Use message.ack() to confirm message processed [OK]
Common Mistakes:
  • Using incorrect method names like delete or finish
  • Not acknowledging messages at all
  • Confusing acknowledgment with message deletion

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