PROFESSIONAL-DATA-ENGINEER · Question #249
PROFESSIONAL-DATA-ENGINEER Question #249: Real Exam Question with Answer & Explanation
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Question
You are updating the code for a subscriber to a Pub/Sub feed. You are concerned that upon deployment the subscriber may erroneously acknowledge messages, leading to message loss. Your subscriber is not set up to retain acknowledged messages. What should you do to ensure that you can recover from errors after deployment?
Options
- ASet up the Pub/Sub emulator on your local machine.
- BCreate a Pub/Sub snapshot before deploying new subscriber code.
- CUse Cloud Build for your deployment. If an error occurs after deployment, use a Seek operation to locate a timestamp logged by Cloud Build at the start of the
- DEnable dead-lettering on the Pub/Sub topic to capture messages that aren't successfully acknowledged.
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