Information Systems Acquisition, Development, and Implementation →easyMultiple ChoiceObjective-mapped
CISA Practice Question: Information Systems Acquisition, Development, and Implementation
In a waterfall SDLC, which phase requires formal sign-off from the business owner before proceeding to the next phase?
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
✓
Requirements phase
In waterfall, each phase ends with a formal sign-off; the requirements phase is critical to ensure business needs are documented and approved.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Development phase
Why it's wrong here
Development typically does not involve business sign-off.
- ✓
Requirements phase
Why this is correct
Formal sign-off on requirements is a key control to prevent scope creep.
- ✗
Design phase
Why it's wrong here
Design sign-off is also important but requirements sign-off comes first.
- ✗
Testing phase
Why it's wrong here
Testing sign-off occurs later; requirements sign-off is earlier.
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JA
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.