CRISC Information Technology and Security Practice Question
An organization is reviewing its enterprise architecture to identify risks. In which IT architecture layer would a risk related to data classification and data sovereignty be primarily addressed?
⚠ Common exam trap
The trap is assuming that because data physically resides on infrastructure, sovereignty and classification belong to the infrastructure layer — CRISC tests whether you understand that data governance policy is defined at the data architecture layer, with infrastructure merely implementing it.
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
✓
Data architecture layer
Data classification and data sovereignty are concerns about how data is categorized, where it resides, and which legal/regulatory jurisdictions govern it — all of which are addressed in the data architecture layer. This layer defines data models, ownership, retention, classification schemes, and cross-border data flow rules. Risk related to sovereignty (e.g., GDPR data residency) is fundamentally a data architecture design issue.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Application architecture layer
Why it's wrong here
Data classification and sovereignty concern where data resides and how it is governed, which is addressed at the information or data architecture layer, not the application layer. It is tempting because applications process data, and would be correct for risks such as insecure application design or coding flaws.
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Business architecture layer
Why it's wrong here
Data classification and sovereignty risks are addressed in the data architecture layer, which governs data assets, ownership and residency. Business architecture covers strategy, capabilities and processes, so it would be the right layer for risks about business process ownership or organisational alignment, not data residency rules.
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Data architecture layer
Why this is correct
Data classification and data sovereignty govern how information is categorised, stored and transferred across jurisdictions, which are concerns defined within the data architecture layer. This layer specifies data entities, ownership and residency rules, so the risk is primarily addressed there rather than in application, technology or business architecture.
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Infrastructure/Technology architecture layer
Why it's wrong here
Infrastructure/Technology architecture addresses hardware, networks and platforms hosting data, not the classification and sovereignty rules governing it. It would be correct for risks such as server location resilience or network segmentation, but data classification and sovereignty sit in the data architecture layer.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official ISACA exam blueprint
This CRISC 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 CRISC exam.