PMI-ACP Question #367: Real Exam Question with Answer & Explanation

The correct answer is D: Minimize Waste. The 12 core practices of XP (Extreme Programming) are: Planning Game, Small Releases, Metaphor, Simple Design, Test-First Programming (TDD), Refactoring, Pair Programming (A), Collective Code Ownership (B), Continuous Integration, 40-Hour Work Week (C), On-site Customer, and Codi

Submitted by joshua94· Apr 18, 2026Agile Principles and Mindset

Question

Which of the following is NOT one of the 12 core practices of XP:

Options

APair Programming
BCollective Code Ownership
C40-Hour Work Week
DMinimize Waste

Explanation

The 12 core practices of XP (Extreme Programming) are: Planning Game, Small Releases, Metaphor, Simple Design, Test-First Programming (TDD), Refactoring, Pair Programming (A), Collective Code Ownership (B), Continuous Integration, 40-Hour Work Week (C), On-site Customer, and Coding Standards. 'Minimize Waste' (D) is a Lean Software Development principle - one of the seven Lean principles derived from Toyota Production System thinking - and is NOT part of XP's 12 core practices. Therefore, D is correctly the answer that does not belong to XP.

Topics

#XP (Extreme Programming)#Agile Practices#Agile Methodologies

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