lesson04 - ConfiguringandManaging ConfiguringandManaging...

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Configuring and Managing  Configuring and Managing  the DNS Server Role the DNS Server Role Lesson 4
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Skills Matrix Skills Matrix Technology Skill Objective Domain Objective # Installing the DNS Server Role Configure a Domain Name  System (DNS) server 2.1 Introducing DNS Zones Configure DNS zones 2.2 Configuring DNS Resource  Records Configure DNS records 2.3 Configuring Active  Directory - Integrated Zones Configure DNS  replication 2.4 Introducing the DNS Name  Resolution Process Configure name  resolution for client 2.5
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Domain Name System (DNS) Domain Name System (DNS) Because DNS plays such a key role in  Windows Server 2008. Without DNS, your network will most likely  not function — clients won’t be able to  resolve names to Internet Protocol (IP)  addresses.  In addition, Active Directory clients use  DNS to locate domain controllers.
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HOST file HOST file Before DNS, name resolution was handled  through the use of text files called  HOSTS  files  that were stored locally on each  computer.  The HOSTS file listed each name of the  host and its corresponding IP address.  Whenever a new host was added to the  network, an administrator would manually  update the HOSTS file with the new host  name or IP address information.
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Domain Name System Domain Name System DNS because of the following benefits: Scalability Constancy Ease of Use Simplicity
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DNS Namespaces DNS Namespaces DNS namespace  is a hierarchical, tree- structured list of DNS host names, starting  at an unnamed root that is used for all  DNS operations.  Each domain can have additional child  domains.
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DNS Namespaces DNS Namespaces
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DNS Namespaces DNS Namespaces The DNS namespace has a hierarchical  structure and each DNS domain name is  unique within a namespace.  At the top of the Internet DNS namespace  is the root domain.  The root domain is represented by “.” (a  period). 
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DNS Namespaces DNS Namespaces Under the DNS root domain, the  top-level  domains , or first-level domains, are  organizational types such as .org, .com,  and .edu. Generic — generic, top-level domain  names. Country code  — Examples of country code  domain names are .uk., .jp, and .us. Infrastructure domain — .arpa is the  Internet’s infrastructure domain name.
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DNS Namespaces DNS Namespaces
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Traditional Top-Level Domain Names Traditional Top-Level Domain Names com – Commercial. .edu – Education.
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This note was uploaded on 12/17/2010 for the course TECHNOLOGY MNE 210 taught by Professor Na during the Spring '10 term at Sullivan.

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lesson04 - ConfiguringandManaging ConfiguringandManaging...

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