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PMI-ACP · Question #550

PMI-ACP Question #550: Real Exam Question with Answer & Explanation

The correct answer is D: Complex/Unknown/Risky/Big. In Agile, an Epic is a large user story that is too big to deliver in a single iteration. The CURB acronym characterizes what makes a story an epic: Complex (has many unknowns or dependencies), Unknown (requirements are not yet well understood), Risky (carries significant technic

Submitted by satoshi_tk· Apr 18, 2026Adaptive Planning

Question

The definition of an Epic can be written using the acronym CURB. What does CURB stand for:

Options

  • ACreate/Update/Replace/Big
  • BCompound/Unknown/Risky/Basic
  • CComplicated/Unusual/Really/Big
  • DComplex/Unknown/Risky/Big

Explanation

In Agile, an Epic is a large user story that is too big to deliver in a single iteration. The CURB acronym characterizes what makes a story an epic: Complex (has many unknowns or dependencies), Unknown (requirements are not yet well understood), Risky (carries significant technical or business risk), or Big (too large to complete within one sprint). When a story meets one or more CURB criteria, it should be decomposed into smaller, manageable user stories before development.

Topics

#Epic#CURB acronym#Agile planning#Product backlog management

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