PMP Referenced Question 14: Forecasting Milestones in Complex Projects
This PMP-style scenario tests the project manager’s understanding of when reliable milestone dates can be provided during a complex project. PMI emphasizes structured planning before committing to timeline forecasts.
📘 Scenario
A project manager has begun a complex oil refinery project. Although the project is in the initiation phase, the sponsor keeps asking for concrete dates for the most important project milestones.
❓ Question
When will the project manager be able to provide the requested information?
A. During the planning phase, when processes for scope definition and activity duration and sequencing will be performed
B. Close to the end of the project, as the forecasts will be more accurate and most risks will already be mitigated
C. In the initiation process, as it happens concurrently with the project contract and project charter creation
D. As soon as possible, as project delays can be significantly avoided when a schedule is developed early
⚠️ Disclaimer: This PMP-style question is presented for educational and commentary purposes only. It is not sourced from any official PMI exam and is not intended to violate any copyright. This content reflects interpretations based on the PMI mindset and principles, and is designed to help learners prepare for the PMP exam. If this question resembles real PMP exam content, it is coincidental and used solely under the doctrine of fair use for academic discussion. No claim of affiliation with or endorsement by PMI is made.
✅ Correct Answer: A. During the planning phase, when processes for scope definition and activity duration and sequencing will be performed
📅 PMI requires defining the scope, WBS, activity sequencing, and duration estimation before building a project schedule.
🔍 Milestone dates requested by the sponsor can only be reliable once those planning processes are complete.
🏗 In complex projects (like oil refineries), poor planning leads to costly delays and rework — planning accuracy is critical.
✔ Why Option A is Correct
Planning is where detailed scope, durations, dependencies, and constraints are defined. Only then can the schedule and milestone dates be built. This aligns with PMI’s structured approach to planning before commitment.
✖ Why Other Options Are Incorrect
B. Waiting until the end of the project renders the milestone dates useless — forecasts come from planning, not hindsight.
C. The initiation phase defines the charter and high-level needs, but not detailed scheduling data.
D. While it’s tempting to build a schedule early, PMI warns against premature commitments without proper scoping and sequencing.
📌 Key Takeaway
Reliable milestone forecasts must come from structured planning. PMI expects project managers to develop schedules only after completing scope definition, sequencing, and duration estimates — not during initiation.
PMP candidates must be able to explain why milestone commitments should be grounded in planning. Premature promises can lead to unrealistic expectations and missed targets.
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