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Part 2: Preparation for Exam 70-216: Imp... > Installing, Configuring, Managing, M...

Objective Domain 1. Installing, Configuring, Managing, Monitoring, and Troubleshooting DNS in a Windows 2000 Network Infrastructure

The Installing, Configuring, Managing, Monitoring, and Troubleshooting DNS in a Windows 2000 Network Infrastructure objective domain focuses on implementing Domain Name System (DNS) in Microsoft Windows 2000. All computers on the Internet have both an IP (Internet Protocol) address (such as 172.16.52.204) as well as a fully qualified domain name such as www.microsoft.com. For most users, remembering the name of a computer is much easier than memorizing individual IP addresses. In addition, although IP addresses can change, the name itself typically doesn’t. For example, Microsoft might decide to change the IP address associated with its Web site. In this case, all you need to remember is the name of the site. Regardless of what IP address changes are made, you are still able to connect to the primary Microsoft Web site.

When a client is connecting to another computer using its host name, a DNS server is called to translate the name to an actual IP address. The client making the request is called a resolver while the DNS server providing the translation is called the name server . The name server then returns the appropriate IP address, a pointer to another name server (that performs the translation), or an error message in the event the host name cannot be located.


  

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