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CISA Practice Question: Is implementing a new identity management system
An organization is implementing a new identity management system. Which testing approach is MOST effective for verifying access controls?
⚠ Common exam trap
Many candidates confuse 'system integration testing' with 'user acceptance testing' and assume that verifying system-to-system communication is sufficient to validate access controls, when in fact only role-based UAT confirms that the correct policies are enforced for actual users.
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
✓
User acceptance testing including role-based test cases
User acceptance testing (UAT) with role-based test cases is the most effective approach because it directly validates that the identity management system enforces the correct access controls for each user role in real-world scenarios. Unlike lower-level tests, UAT involves actual users executing role-specific transactions to confirm that permissions, segregation of duties, and policy rules are properly implemented. This ensures that the system behaves as intended from an end-user and auditor perspective, which is critical for compliance and security.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Regression testing
Why it's wrong here
Regression testing ensures new changes don't break existing functionality, but does not specifically target access controls.
- ✗
Unit testing
Why it's wrong here
Unit testing focuses on individual code units, not end-to-end access controls.
- ✓
User acceptance testing including role-based test cases
Why this is correct
Role-based UAT scenarios simulate real user tasks and validate that access controls are correctly implemented.
- ✗
System integration testing
Why it's wrong here
Integration testing verifies interfaces but may not cover all access control scenarios.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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