The answer is implementing data residency controls to ensure EU personal data is stored and processed only within the EU. This is correct because GDPR prohibits the transfer of personal data to jurisdictions lacking adequate protection unless specific safeguards are in place; by enforcing geographic boundaries on data storage and processing, these controls prevent inadvertent replication of EU citizen data to non-EU countries via the centralized Active Directory forest. On the CISA exam, this scenario tests your understanding of data sovereignty and the principle of restricting data flow to comply with regulatory requirements, often appearing as a distractor where candidates mistakenly choose technical fixes like encryption or access controls—remember, encryption alone does not prevent data from leaving the EU. A useful memory tip is "residency restricts replication," reinforcing that the core solution is about where data lives, not just how it is protected.
CISA Protection of Information Assets Practice Question
This CISA practice question tests your understanding of protection of information assets. 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 multinational corporation's data center in the European Union (EU) stores personal data of EU citizens. The company must comply with the General Data Protection Regulation (GDPR), which requires that personal data be protected and that data subjects have the right to erasure ('right to be forgotten'). The company's IT team uses a centralized identity management system that stores user credentials and personal data in an active directory (AD) forest. The AD forest is replicated across multiple data centers worldwide, including a non-EU country. The data protection officer (DPO) is concerned that personal data might be inadvertently replicated to jurisdictions without adequate protection. Which of the following is the most effective way to address this concern?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Implement data residency controls to ensure EU personal data is only stored and processed within the EU
Option C is correct because GDPR mandates that personal data of EU citizens must not be transferred to countries without adequate protection unless specific safeguards are in place. Implementing data residency controls ensures that EU personal data is stored and processed only within the EU, preventing inadvertent replication to non-EU jurisdictions via AD replication. This directly addresses the DPO's concern by enforcing geographic boundaries on data storage and processing.
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.
✗
Pseudonymize all personal data before storing it in AD
Why it's wrong here
Pseudonymization reduces identifiability but data may still be considered personal under GDPR if re-identification is possible.
✗
Encrypt all personal data at rest and in transit, with keys held solely within the EU
Why it's wrong here
Encryption with EU-held keys may satisfy data governance but the data still resides elsewhere.
✓
Implement data residency controls to ensure EU personal data is only stored and processed within the EU
Why this is correct
Technical controls can enforce geographic boundaries for data replication.
Related concept
Read the scenario before looking for a memorised answer.
✗
Obtain explicit consent from all EU data subjects for international data transfer
Why it's wrong here
Consent is a lawful basis but does not prevent the technical data flow; replication still occurs.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse encryption (Option B) with data residency, thinking encryption alone prevents data exposure, but encryption does not stop replication and may still allow data to be stored in non-EU jurisdictions where it could be subject to local access laws.
Detailed technical explanation
How to think about this question
Active Directory replication uses the Directory Replication Service (DRS) Remote Protocol (MS-DRSR) to synchronize changes between domain controllers. Data residency controls can be implemented by configuring AD sites and subnets to restrict replication boundaries, using site links with appropriate cost and schedule settings, and employing Azure AD Conditional Access policies or on-premises firewall rules to block replication to non-EU domain controllers. In a real-world scenario, a multinational might use a multi-forest AD design with separate forests for EU and non-EU regions, ensuring no cross-forest replication of EU personal data.
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.
TExam Day Tips
→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 small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Protection of Information Assets — This question tests Protection of Information Assets — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Implement data residency controls to ensure EU personal data is only stored and processed within the EU — Option C is correct because GDPR mandates that personal data of EU citizens must not be transferred to countries without adequate protection unless specific safeguards are in place. Implementing data residency controls ensures that EU personal data is stored and processed only within the EU, preventing inadvertent replication to non-EU jurisdictions via AD replication. This directly addresses the DPO's concern by enforcing geographic boundaries on data storage and processing.
What should I do if I get this CISA question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
This CISA practice question is part of Courseiva's free ISACA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CISA exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.