CERTIFIED-DATA-ENGINEER-PROFESSIONAL · Question #11
CERTIFIED-DATA-ENGINEER-PROFESSIONAL Question #11: Real Exam Question with Answer & Explanation
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Question
The data engineering team has configured a job to process customer requests to be forgotten (have their data deleted). All user data that needs to be deleted is stored in Delta Lake tables using default table settings. The team has decided to process all deletions from the previous week as a batch job at 1am each Sunday. The total duration of this job is less than one hour. Every Monday at 3am, a batch job executes a series of VACUUM commands on all Delta Lake tables throughout the organization. The compliance officer has recently learned about Delta Lake's time travel functionality. They are concerned that this might allow continued access to deleted data. Assuming all delete logic is correctly implemented, which statement correctly addresses this concern?
Options
- ABecause the vacuum command permanently deletes all files containing deleted records, deleted
- BBecause the default data retention threshold is 24 hours, data files containing deleted records will
- CBecause Delta Lake time travel provides full access to the entire history of a table, deleted
- DBecause Delta Lake's delete statements have ACID guarantees, deleted records will be
- EBecause the default data retention threshold is 7 days, data files containing deleted records will
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