Exam CAPM topic 1 question 172 discussion

Why other options are not inputs: A. Expert judgment: Expert judgment is a technique used in preparing the cost management plan, but it's not an input document itself. B. Lessons learned: Lessons learned from previous projects are a valuable source of information for refining cost management processes, but they are typically part of organizational process assets or project document updates, not a direct input to the initial preparation of the cost management plan. C. Cost estimates: Cost estimates are an output of the cost management planning process, not an input used to prepare the plan. The cost management plan lays out the methodology for producing those estimates.

D. Project management plan The project management plan serves as an input to prepare a cost management plan. The cost management plan is a subsidiary plan within the overall project management plan. It outlines how project costs will be estimated, budgeted, monitored, and controlled throughout the project's lifecycle. Therefore, the project management plan provides the foundational information and framework for creating the cost management plan.

The cost management plan is a subsidiary plan within the project management plan. It details how the project costs will be estimated, budgeted, managed, and controlled throughout the project lifecycle. The project management plan, which encompasses various subsidiary plans, provides the foundational information necessary to create specific management plans, such as the cost management plan.

D-Project Management Plan-7.1