PMI-ACP · Question #576
PMI-ACP Question #576: Real Exam Question with Answer & Explanation
The correct answer is C: Set a policy to break down stories larger than a specified complexity, then adjust the WIP. The root cause is variation in story size and complexity. The correct fix addresses this directly: establish a policy to break stories down when they exceed a defined complexity threshold, then recalibrate WIP limits accordingly. This creates predictability by standardizing work
Question
A team using Kanban identifies that their cycle time has significant variation. After brainstorming, the team determines that the root cause is the stories' varying sizes and risks. What should the team do?
Options
- AReduce work in progress (WIP) limits to accommodate slack for riskier stories
- BCreate a triage step on the Kanban board to pre-identify risky stories
- CSet a policy to break down stories larger than a specified complexity, then adjust the WIP
- DCreate a dedicated overflow swimlane on the Kanban board for stories that are too large
Explanation
The root cause is variation in story size and complexity. The correct fix addresses this directly: establish a policy to break stories down when they exceed a defined complexity threshold, then recalibrate WIP limits accordingly. This creates predictability by standardizing work item size before it enters the flow. Adding a triage step (B) or overflow swimlane (D) manages symptoms without fixing the root cause. Reducing WIP limits alone (A) slows throughput but does not eliminate size-driven variation.
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