easyMultiple Choice
CISA Practice Question: Is implementing a data loss prevention (DLP)…
An organization is implementing a data loss prevention (DLP) solution. Which of the following is the MOST important step to ensure the DLP rules are effective?
⚠ Common exam trap
Many candidates choose user awareness training (Option D) as the most important step, confusing human behavior controls with the technical prerequisite of data classification for DLP rule 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
✓
Classify data based on sensitivity
Data classification is the foundational step for effective DLP rules because it defines which data is sensitive and how it should be handled. Without classification, DLP policies cannot accurately identify or enforce rules on sensitive content, leading to false positives or missed detections. Classification enables the DLP system to apply context-aware rules (e.g., regex patterns for PII, keywords for confidential documents) that align with the organization's data governance requirements.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Classify data based on sensitivity
Why this is correct
DLP rules match on data classification labels; without first classifying data by sensitivity, rules cannot reliably identify what to protect. Classification is the prerequisite that makes policy enforcement accurate, so it must precede rule creation.
- ✗
Encrypt all data at rest
Why it's wrong here
Encryption at rest protects stored data but does not define what content may leave, so DLP rules cannot match or block exfiltration. It is tempting because encryption is a core data-protection control, and it would be the right answer for a question about protecting data confidentiality if a storage medium were lost or stolen.
- ✗
Establish an incident response team
Why it's wrong here
An incident response team handles breaches after detection, not the accuracy of DLP rule matching. It is tempting because DLP alerts feed incident handling, and standing up such a team is correct when the requirement is to investigate and contain confirmed data-loss events rather than tune detection.
- ✗
Create user awareness training
Why it's wrong here
User awareness training reduces accidental policy violations but does not make DLP rules themselves accurate or effective. It is tempting because training is a standard data-protection control, and it would be the correct choice for a question about reducing employee-driven data leakage rather than validating rule logic.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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