Domain Name System
Added on 2021-04-06
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UNIT 10WEB DEVELOPMENTSUNDAY,21 2021TMUC BAHRIA SPRINGSBY:MUHAMMAD AZLAN
1TABLEOF CONTENTS1.What is a Domain?...............................................................................................................................22.What is a Domain Name System (DNS)?..............................................................................................23.How does DNS work?..........................................................................................................................24.Types of DNS server.............................................................................................................................34.1 DNS Resolver-.................................................................................................................................34.2 Root name ....................................................................................................................................34.3 TLD nameserver.............................................................................................................................35 DNS RECORDS......................................................................................................................................35.1 A Record..........................................................................................................................................35.2 AAAA Record...................................................................................................................................3
5.3 CNAME Record................................................................................................................................35.4 MX Record......................................................................................................................................36 How Domains Are Managed.................................................................................................................46.1 Governing Body..............................................................................................................................46.2 Registrars........................................................................................................................................47 Web Servers............................................................................................................................................47.1 Server Hardware..............................................................................................................................47.1.1 Random Access Memory (RAM)...............................................................................................47.1.2 Central Processing Unit (CPU)...................................................................................................57.1.3 Solid State Drive and Hard Disk Drive.......................................................................................58 Types of Servers.....................................................................................................................................58.1 Blade Server.....................................................................................................................................58.2 Micro Servers...................................................................................................................................59 Server Operating Systems.......................................................................................................................69.1 Windows OS.....................................................................................................................................69.2 Linux OS...........................................................................................................................................610 Server Software....................................................................................................................................610.1 Apache HTTP Server.......................................................................................................................610.2 Internet Information service..........................................................................................................6
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