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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
Classification allows DLP to accurately identify and protect sensitive data.
- ✗
Encrypt all data at rest
Why it's wrong here
Encryption is a control but does not ensure DLP rules are effective; classification must come first.
- ✗
Establish an incident response team
Why it's wrong here
Incident response is necessary but not the most important initial step for DLP effectiveness.
- ✗
Create user awareness training
Why it's wrong here
Awareness is important but without classification, DLP rules will not be accurate.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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