Planning A Microsoft Windows Server 2003 Network Chapter 07

Planning A Microsoft Windows Server 2003 Network Chapter 07...

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Unformatted text preview: 70-293: MCSE Guide to Planning a Microsoft Windows Server 2003 NetworkChapter 7: Planning a DNS Strategy70-293: MCSE Guide to Planning a Microsoft Win2ObjectivesDescribe the functions of the Domain Name SystemChoose a DNS namespace strategyInstall DNSExplain the function of DNS zonesIntegrate Active Directory and DNS, including Dynamic DNSIntegrate DNS with WINS70-293: MCSE Guide to Planning a Microsoft Win3Functions of the Domain Name SystemDNS is used to resolve host names to IP addresses and find servicesDNS is an essential service for a network that uses Active Directory DNS is also required if you want resources such as Web servers available on the Internet The most common operating system DNS is implemented on is UNIX/Linux, and this can be integrated with the Windows version of DNS 70-293: MCSE Guide to Planning a Microsoft Win4Host Name ResolutionHost names are used because they are easier to remember than IP addressesWhen a program uses a host name, the host name must be converted to an IP address before the resource can be contacted70-293: MCSE Guide to Planning a Microsoft Win5Host Name Resolution (continued)The contents of a hosts file are a list of IP addresses and host namesThe steps followed by Windows Server 2003 to resolve host names are:Host name is checked Hosts file is loaded into cacheDNS cache is searchedDNS server is queried 70-293: MCSE Guide to Planning a Microsoft Win6Host Name Resolution (continued)70-293: MCSE Guide to Planning a Microsoft Win7Activity 7-1: Configuring a Hosts FileThe purpose of this activity is to configure and test a hosts file70-293: MCSE Guide to Planning a Microsoft Win8Forward LookupWhen a DNS server resolves a host name to an IP address it is known as forward lookupResolving host names within an organization is a two-packet processIn recursive lookup a DNS query that is resolved through other DNS servers until the requested information is located 70-293: MCSE Guide to Planning a Microsoft Win9Forward Lookup (continued)70-293: MCSE Guide to Planning a Microsoft Win10Registering a Domain NameTo participate in the worldwide DNS lookup system, you must register your domain name with a registrarA top-level domain (TLD) name is the highest level of domain in the DNS systemA registrar is an organization that puts domain information into the top-level domain DNS servers so that your domain will be integrated with the worldwide DNS system70-293: MCSE Guide to Planning a Microsoft Win11Registering a Domain Name (continued)70-293: MCSE Guide to Planning a Microsoft Win12Reverse LookupWhen DNS is used to resolve IP addresses to host names, the process is known as reverse lookupA reverse lookup allows you to specify an IP address and the DNS server returns the host name that is defined for it 70-293: MCSE Guide to Planning a Microsoft Win13DNS Record TypesDNS records are created on a DNS server to resolve queriesEach type of record holds different information about...
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This note was uploaded on 01/18/2010 for the course CET 2792 taught by Professor Georgewaynerausch during the Spring '09 term at Valencia.

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Planning A Microsoft Windows Server 2003 Network Chapter 07...

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