The answer is to map data flows and identify personal data. This is the correct initial action because GDPR compliance is fundamentally built on data awareness; you cannot protect, minimize, or govern data you do not know exists or understand how it moves through your systems. Mapping data flows reveals every touchpoint where personal data is collected, stored, processed, or transmitted, while identifying personal data clarifies which specific information falls under GDPR’s scope—such as names, email addresses, or IP addresses. On the CISSP exam, this concept tests your grasp of the Privacy by Design principle and the logical sequence of compliance activities, often appearing as a trick question where distractors like “appoint a DPO” or “implement encryption” seem plausible but skip this foundational step. A common trap is assuming technical controls come first, but without a data map, those controls may miss critical data flows. Memory tip: think “Map before you Gap” — you must map the data landscape before you can identify compliance gaps.
CISSP Security and Risk Management Practice Question
This CISSP practice question tests your understanding of security and risk management. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A small business wants to ensure compliance with GDPR for its customer data. What is the initial action required to comply with GDPR?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Map data flows and identify personal data
Before implementing controls or appointing a DPO, the organization must first understand what data it processes and where it flows. Mapping data flows and identifying personal data is the foundational step for all subsequent compliance activities.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Obtain consent from all data subjects
Why it's wrong here
Consent is one legal basis, but not always required; other bases may apply. Also, data must be known before obtaining consent.
✗
Implement pseudonymization techniques
Why it's wrong here
Pseudonymization is a technical control applied after data is identified.
✗
Conduct a Data Protection Impact Assessment (DPIA)
Why it's wrong here
DPIA is required only for high-risk processing; it is not the initial step.
✓
Map data flows and identify personal data
Why this is correct
Identifying what data is held and how it moves is the first step in any compliance program.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A security analyst at a medium-sized enterprise encounters this scenario during an investigation or architecture review. The correct answer reflects best practice for the specific threat or control described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CISSP question in full detail.
Identify which CISSP exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Security and Risk Management — This question tests Security and Risk Management — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Map data flows and identify personal data — Before implementing controls or appointing a DPO, the organization must first understand what data it processes and where it flows. Mapping data flows and identifying personal data is the foundational step for all subsequent compliance activities.
What should I do if I get this CISSP question wrong?
Identify which CISSP exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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