Microsoft 70-640 is a certification exam that focuses on configuring Windows Server 2008 Active Directory. The course covers topics such as configuring domain name system (DNS) for Active Directory, managing Active Directory objects and user accounts, and implementing group policy. \n \nThis course is designed for IT professionals who are responsible for managing and maintaining Windows Server 2008 Active Directory infrastructure. By passing the exam, candidates can demonstrate their knowledge and skills in configuring and managing Active Directory in a Windows Server 2008 environment.