The correct answer is D — Periodically, at both the release and project level.

Agile planning is iterative and layered. When new requirements or constraints emerge, plans should be updated at the appropriate levels—sprint, release, and potentially the overall project level. Periodic adjustments ensure continued alignment with business needs and system dependencies.

PMI Agile Practice Guide:

“Agile planning is done at multiple levels: product vision, roadmap, release, iteration, and daily. These plans are continually updated based on new learning and stakeholder feedback.”

(PMI Agile Practice Guide, Section 5.3 – Adaptive Planning)

Mike Griffiths:

“Effective planning includes periodic updates at all planning horizons. Adjusting at both the project and release levels ensures strategic alignment and tactical feasibility.”

(PMI-ACP Exam Prep, Chapter 5 – Adaptive Planning)

Incorrect options:

A misses the iterative nature of Agile planning.

B and C are too narrow in scope.

Answer: D

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