You have a Microsoft Office Project Server 2007 environment. Your company has several departments. In the SharePoint Central Administration page, you enable the Self-Service Site Creation option. You need to ensure that users are able to create sites that are organized by their department structure. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A.
Create a virtual directory under the Project Server Web site in Internet Information Services (IIS).

B.
Define a managed path.

C.
Create a Resource Breakdown Structure (RBS).

D.
Create a site collection.