PROFESSIONAL-DATA-ENGINEER · Question #192
PROFESSIONAL-DATA-ENGINEER Question #192: Real Exam Question with Answer & Explanation
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Question
You have Cloud Functions written in Node.js that pull messages from Cloud Pub/Sub and send the data to BigQuery. You observe that the message processing rate on the Pub/Sub topic is orders of magnitude higher than anticipated, but there is no error logged in Stackdriver Log Viewer. What are the two most likely causes of this problem? (Choose two.)
Options
- APublisher throughput quota is too small.
- BTotal outstanding messages exceed the 10-MB maximum.
- CError handling in the subscriber code is not handling run-time errors properly.
- DThe subscriber code cannot keep up with the messages.
- EThe subscriber code does not acknowledge the messages that it pulls.
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