easyMultiple Choice
CISA Practice Question: Which testing phase is MOST effective for…
Which testing phase is MOST effective for validating that the system meets business needs?
⚠ Common exam trap
ISACA often tests the misconception that integration testing or system testing validates business needs, but only UAT directly involves end-users and business stakeholders to confirm the system meets their operational requirements.
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
User acceptance testing (UAT) is the final phase of testing where actual end-users validate the system against real-world business requirements and workflows. It confirms that the system meets the agreed-upon business needs, functional specifications, and operational criteria before production deployment. Unlike technical testing phases, UAT focuses on business process alignment and user satisfaction.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
User acceptance testing
Why this is correct
User acceptance testing is performed by business users against real workflows, confirming the system satisfies stated business needs rather than merely matching technical specifications. Unit, integration and system testing verify code and interfaces; only UAT directly satisfies the stem's constraint of validating fitness for business purpose before go-live.
- ✗
Regression testing
Why it's wrong here
Regression testing confirms that changes have not broken previously working functionality, which does not validate business needs. It is tempting because it re-runs established test cases, but it would be correct after modifications to verify existing behaviour remains intact, not to assess requirement fulfilment.
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Unit testing
Why it's wrong here
Unit testing verifies individual functions or modules in isolation, so it cannot demonstrate that the assembled system satisfies business needs; that validation belongs to acceptance testing. It is tempting because unit testing is genuinely valuable for catching coding defects early, and it would be the right choice when validating a single component's internal logic.
- ✗
Integration testing
Why it's wrong here
Integration testing verifies that interfaces and components exchange data correctly, not that the delivered system satisfies business needs. It is tempting because it exercises end-to-end flows, but it would be correct when validating data passing between modules rather than confirming business requirements are met.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.