CAPM (Certified Associate in Project Management) Practice Exam 2026 - Free CAPM Practice Questions and Study Guide

The purpose of the WBS ID is to provide a numbering system that directly links work packages to control accounts. This linkage ensures that work packages can be tracked and managed within the project's overall control structure. By assigning unique identifiers to work packages, project managers can easily monitor progress, allocate resources, and maintain control over the project's scope and budget. Therefore, option A is the correct choice. The other options (B, C, and D) do not directly align with the specific purpose of the WBS ID in relating work packages to control accounts.