DPI Continual Improvement Practice Question
An organization is using Six Sigma DMAIC (Define, Measure, Analyze, Improve, Control) to optimize its patch management process. During which phase of DMAIC would the team perform statistical root cause analysis using a fishbone diagram and Pareto chart?
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
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Analyze phase
In Six Sigma DMAIC, root cause identification and investigation take place during the Analyze phase.
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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Analyze phase
Why this is correct
The Analyze phase is dedicated to identifying root causes of problems and process inefficiencies using statistical tools.
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Define phase
Why it's wrong here
The Define phase outlines project goals and customer requirements (Voice of the Customer).
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Improve phase
Why it's wrong here
The Improve phase focuses on implementing solutions and testing changes.
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Control phase
Why it's wrong here
The Control phase ensures that improvements are sustained over time through monitoring and standard operating procedures.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official AXELOS / PeopleCert exam blueprint
This DPI practice question is part of Courseiva's free AXELOS / PeopleCert 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 DPI exam.