INTRANET & DNS<br />Submitted To:- <br />			Ms. AmandeepKaur<br />Submitted By:- <br />NitikaSingla<br />ShivaniSingla<br ...
What is intranet?<br />Why  we use it?<br />Technology behind it….<br />Advantages<br />Disadvantages<br />Intranet  Vs In...
What is DNS?<br />Services provide by DNS<br />Elements <br />Advantages<br />Video<br />3<br />Cont……<br />
What is an Intranet?<br /><ul><li>Private and secure internal information system which uses Internet technology to collect...
Why Intranets?<br />Improved internal communication<br />Improved access to information<br />Improved productivity <br />P...
One or more inter-connected TCP/IP networks<br />Internet connectivity with firewall protection<br />Servers: Web, E-Mail,...
 Example…<br />Integration<br />Shared Data<br />                   Intranet<br />Internet<br />Firewall<br />PCs<br />Ser...
Advantages<br />Platform Independent<br />Ease of publishing<br />Easier to setup<br />Ease of use<br />Maintenance is ver...
Disadvantages<br />Security Concerns<br />Intranet may cause information overload<br />
Intranet VS Internet<br />Internet<br />External websites<br />E-Commerce<br />Insecure<br />TCP/IP<br />Limited managemen...
11<br />INTRANET<br />
Internet,Intranet & Extranet<br />The relationship between access to intranets, extranets and the Internet<br />
 DNS is a distributed hierarchical naming system for computers, services, or any resource connected to the Internet or a p...
Mapping from names to addresses(server to client)<br />Mechanism to store and retrieve information in a global data store....
15<br />DNS  Elements<br />Resolver:-<br />		The client-side of the DNS is called a DNS resolver<br />Server:-<br />Where ...
16<br />DNS Operations<br />
It's More Reliable.<br />It's Faster.<br />It's Smarter<br />It's Safer.<br />17<br />Advantages<br />
Conclusion<br />
THANKU…..<br />
20<br />                    Any Questions?  …….<br />
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What is an intranet

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What is an intranet

  1. 1. INTRANET & DNS<br />Submitted To:- <br /> Ms. AmandeepKaur<br />Submitted By:- <br />NitikaSingla<br />ShivaniSingla<br />1<br />
  2. 2. What is intranet?<br />Why we use it?<br />Technology behind it….<br />Advantages<br />Disadvantages<br />Intranet Vs Internet<br />Intranet Vs Extranet<br />2<br />Table of contents:-<br />
  3. 3. What is DNS?<br />Services provide by DNS<br />Elements <br />Advantages<br />Video<br />3<br />Cont……<br />
  4. 4. What is an Intranet?<br /><ul><li>Private and secure internal information system which uses Internet technology to collect and disseminate information of interest to all staff</li></ul>Company network<br />Internet<br />Firewall<br />Web browser<br />Web browser<br />
  5. 5. Why Intranets?<br />Improved internal communication<br />Improved access to information<br />Improved productivity <br />Promote user participation<br />Improved management<br />
  6. 6. One or more inter-connected TCP/IP networks<br />Internet connectivity with firewall protection<br />Servers: Web, E-Mail, Proxy, DNS<br />Browsers, plug-ins, authoring tools<br />Databases, search engines<br />Website administration tools<br />Technology behind Intranets<br />
  7. 7. Example…<br />Integration<br />Shared Data<br /> Intranet<br />Internet<br />Firewall<br />PCs<br />Servers<br />
  8. 8. Advantages<br />Platform Independent<br />Ease of publishing<br />Easier to setup<br />Ease of use<br />Maintenance is very easy<br />Cost effective<br />Information retrieval is timely manner.<br />
  9. 9. Disadvantages<br />Security Concerns<br />Intranet may cause information overload<br />
  10. 10. Intranet VS Internet<br />Internet<br />External websites<br />E-Commerce<br />Insecure<br />TCP/IP<br />Limited management<br />Intranet<br />Internal websites<br />Commutation & Information access<br />Secure<br />TCP/IP<br />Managed<br />
  11. 11. 11<br />INTRANET<br />
  12. 12. Internet,Intranet & Extranet<br />The relationship between access to intranets, extranets and the Internet<br />
  13. 13.  DNS is a distributed hierarchical naming system for computers, services, or any resource connected to the Internet or a private network.<br />The entry in database file is DNS resourse record.<br />13<br />What is DNS?<br />
  14. 14. Mapping from names to addresses(server to client)<br />Mechanism to store and retrieve information in a global data store.<br />14<br />DNS Provides:<br />
  15. 15. 15<br />DNS Elements<br />Resolver:-<br /> The client-side of the DNS is called a DNS resolver<br />Server:-<br />Where sender send the request for query.<br />
  16. 16. 16<br />DNS Operations<br />
  17. 17. It's More Reliable.<br />It's Faster.<br />It's Smarter<br />It's Safer.<br />17<br />Advantages<br />
  18. 18. Conclusion<br />
  19. 19. THANKU…..<br />
  20. 20. 20<br /> Any Questions?  …….<br />
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