The 70-640 exam is a part of Microsoft Certified Technology Specialist certification. It is a required part to the certification. The exam is targeted to Server and Enterprise Administrators who are working to implement Active Directory Domain Services in Windows Server 2008 and Windows Server 2008 R2 environments. The exam covers the configuration of Domain Name System, Active Directory infrastructure, its roles and services, and more.
uCertify course includes videos to help understand concepts. It also includes How Tos that help learners with how to accomplish certain tasks.