PROFESSIONAL-DATA-ENGINEER · Question #353
PROFESSIONAL-DATA-ENGINEER Question #353: Real Exam Question with Answer & Explanation
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Question
You are monitoring your organization's data lake hosted on BigQuery. The ingestion pipelines read data from Pub/Sub and write the data into tables on BigQuery. After a new version of the ingestion pipelines is deployed, the daily stored data increased by 50%. The volumes of data in Pub/Sub remained the same and only some tables had their daily partition data size doubled. You need to investigate and fix the cause of the data increase. What should you do?
Options
- A1. Check for duplicate rows in the BigQuery tables that have the daily partition data size doubled.
- B1. Check for code errors in the deployed pipelines.
- C1. Check for duplicate rows in the BigQuery tables that have the daily partition data size doubled.
- D1. Roll back the last deployment.
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