Abstract
Computers can only process binary information. As a result, computers connected to networks have both Internet Protocol (IP) addresses and computer names. These names are sometimes referred to as computer names or host names. This chapter explores the domain name system (DNS) DNS is a method of creating hierarchical names that can be resolved to IP addresses that , in turn, are resolved to MAC addresses. The chapter explains the basis of DNS and compares it to alternative naming systems. It also explains how the DNS namespace is created and resolved to an IP address throughout the Internet or within a single organization. Thereafter, the chapter provides an understanding of Windows Server 2003 DNS server, including the different roles DNS servers can play. The chapter also takes a look at the ways DNS servers resolve names and replicate data. The chapter also describes how Windows Server 2003 active directory integrates with DNS.
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