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Foundation Topics

Configuring DNS Client Computer Settings

In the typical business network, client computers obtain settings required for resolving network names through DHCP or by means of membership in an AD DS domain. However, if you have any computers that are configured with static TCP/IP settings or standalone computers that are not members of a domain, it is necessary to configure DNS settings manually through the Advanced TCP/IP Settings dialog box. This section looks at the various settings you must be familiar with, both for the 70-642 exam and the real world.

Specifying DNS Server Lists

For efficient name resolution purposes, DNS clients require a prioritized list of DNS name servers. This list determines which DNS servers are contacted to resolve name queries—for example, when you type a server name in a Windows Explorer address field or at the Start > Run command. Chapter 1, “Configuring IPv4 and IPv6 Addressing,” introduced you to the Internet Protocol Version 4 (TCP/IPv4) Properties and Internet Protocol Version 6 (TCP/IPv6) Properties dialog boxes. As shown in Figure 8-1, you generally want to leave the Obtain DNS server address automatically option selected; this option enables the computer to obtain DNS server addressing information from DHCP or from AD DS membership. With DHCP servers running Windows Server 2003 or later, you can have a list of up to 25 DNS servers specified by configuring the DHCP option 006, DNS Servers. For more information on this option, refer to Chapter 2, “Configuring Dynamic Host Configuration Protocol (DHCP).”


  

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