Several departments in an organization are working together on a project. The organization wants to customize access to resources for each department. What is t...

Several departments in an organization are working together on a project. The organization wants to customize access to resources for each department.
What is the quickest and most efficient way to achieve this?

A. By mapping IAM roles to job functions for each department B. By assigning IAM primitive roles to each employee C. By applying "least-privilege" to roles for each employee D. By creating a single shared service account for all departments