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DP-600 · Question #71

DP-600 Question #71: Real Exam Question with Answer & Explanation

The correct answer is D: Run the VACUUM command.. To remove files from a Delta table that are no longer referenced by the current version of the table, you should run the VACUUM command. https://learn.microsoft.com/en-us/fabric/data-engineering/lakehouse-table-maintenance

Submitted by valeria.br· Apr 18, 2026Maintain a data analytics solution

Question

You have a Fabric tenant that contains a lakehouse named Lakehouse1. Lakehouse1 contains a Delta table that has one million Parquet files. You need to remove files that were NOT referenced by the table during the past 30 days. The solution must ensure that the transaction log remains consistent, and the ACID properties of the table are maintained. What should you do?

Options

  • AFrom OneLake file explorer, delete the files.
  • BRun the OPTIMIZE command and specify the Z-order parameter.
  • CRun the OPTIMIZE command and specify the V-order parameter.
  • DRun the VACUUM command.

Explanation

To remove files from a Delta table that are no longer referenced by the current version of the table, you should run the VACUUM command. https://learn.microsoft.com/en-us/fabric/data-engineering/lakehouse-table-maintenance

Topics

#Delta Lake#Data Management#Lakehouse#VACUUM command

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