DA0-002 Data Concepts and Environments Practice Question
A healthcare organization is subject to strict data privacy regulations requiring the classification of all data assets. The data governance team has identified three data sensitivity levels: Public, Internal, and Restricted. They have a new data pipeline importing patient health records from multiple clinics. The records include patient names, diagnoses, treatment codes, and insurance information. The team must ensure that the classification is applied correctly and that restricted data (e.g., diagnoses) is not exposed to unauthorized personnel. However, the pipeline uses automated tagging based on metadata rules, and some fields are misclassified. What is the most effective immediate action to improve classification accuracy?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Implement data loss prevention (DLP) tools that inspect content and enforce classification rules.
Implementing DLP tools with content inspection can automatically detect sensitive patterns (e.g., diagnosis codes) and enforce correct classification, directly addressing misclassification from incomplete metadata rules. Option A (encrypting all data) is a security measure but does not fix classification accuracy. Option B (manual review) is not scalable for a pipeline. Option C (expanding metadata rules) may help but is less effective since metadata can still miss patterns that DLP content inspection can catch.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Encrypt all data at rest and in transit regardless of classification.
Why it's wrong here
Incorrect: Encryption protects data but doesn't correct classification errors.
- ✗
Require manual review and reclassification of all incoming records.
Why it's wrong here
Incorrect: Manual review is impractical for large volumes and pipelines.
- ✗
Expand the metadata rule set to include more keywords and patterns.
Why it's wrong here
Incorrect: Rules may still miss complex patterns; DLP offers deeper inspection.
- ✓
Implement data loss prevention (DLP) tools that inspect content and enforce classification rules.
Why this is correct
Correct: DLP can reclassify based on actual content, improving accuracy.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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