... you’ve discussed to a real- world example. Module 1: Developing Enterprise Solutions for Windows 2000 5 Application Architectures !Single-Tier Applications Applications can be implemented ... Account Information might be implemented that provides Create, Read, Update, Delete, and Rollback services for customers, employees, and vendors. 28 Module 1: Developing Enterprise Solutions for ... retrieve and update data in the directory. For more information about Active Directory, see Module 6: Integrating with Active Directory. Module 1: Developing Enterprise Solutions for Windows...