DAF Foundations OF Lean Practice Question
A team is frustrated by 'rework'. Which Lean practice helps address this at the source?
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
✓
Building quality in through practices like TDD and automated testing.
Building quality in (e.g., TDD, automated testing) prevents defects from occurring.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Assigning a dedicated person to track defects.
Why it's wrong here
Tracking is not the same as preventing.
- ✗
Reducing the scope of the project.
Why it's wrong here
Scope reduction does not inherently fix quality.
- ✓
Building quality in through practices like TDD and automated testing.
Why this is correct
Detecting issues immediately prevents rework.
- ✗
Increasing the testing phase duration.
Why it's wrong here
Adding more testing time is waste.
About these practice questions
Courseiva writes every DAF question from scratch — 211 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
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 PMI exam blueprint
This DAF practice question is part of Courseiva's free PMI 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 DAF exam.