2Overview of Domain Name System (DNS)
This chapter covers DNS-related certification objectives, as well as laying the groundwork necessary to plan and implement a robust Windows Server 2008 Active Directory infrastructure. Microsoft Exam 70-640 tests namespace setup and configuration proficiency. More experienced administrators in the field will recognize that some Active Directory topics are simply synonymous with DNS due to a close integration and dependency between the two. Exam candidates should assume that questions covering DNS will be presented on the exam.