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RAN-DBDEA-00116
Ranvier · DBDEA

Exam DBDEA Topics: governance Difficulty: hard

A lead data engineer is preparing a governance review for auditors who want to understand how Databricks protects sensitive data in Unity Catalog. The engineer must accurately compare Unity Catalog ABAC policies with table-level row filters and column masks. Which statement about the two mechanisms is accurate?

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  1. A. ABAC policies replace object-level grants: users matched by a policy can query protected tables without being granted SELECT.
  2. B. Table-level row filters and column masks are evaluated by Unity Catalog before the query reaches the runtime, while ABAC policies are evaluated inside the query engine afterwards.
  3. C. ABAC policies attach at catalog or schema level, match via governed tags, and cannot be modified by table owners; table-level masks are owner-managed per table.
  4. D. Table-level column masks can be attached to many tables at once by tagging the tables, which makes them equivalent to ABAC policies.
Reveal answer

Correct answer: ABAC policies attach at catalog or schema level, match via governed tags, and cannot be modified by table owners; table-level masks are owner-managed per table.

Reference: https://docs.databricks.com/aws/en/data-governance/unity-catalog/abac/abac-vs-rls-cm

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Official Answer (C): ABAC policies attach at catalog or schema level, match via governed tags, and cannot be modified by table owners; table-level masks are owner-managed per table.

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