what is an intranet
TRANSCRIPT
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Submitted To:-
Ms. Amandeep Kaur
Submitted By:-
Nitika Singla
Shivani Singla
INTRANET &
DNS
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What is intranet?Why we use it?Technology behind it….AdvantagesDisadvantagesIntranet Vs InternetIntranet Vs Extranet
Table of contents:-
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What is DNS?Services provide by DNSElements AdvantagesVideo
Cont……
Private and secure internal information system which uses Internet technology to collect and disseminate information of interest to all staff
What is an Intranet?
Company network Internet
Firewall
Web browser Web
browser
Why Intranets?Improved internal communicationImproved access to informationImproved productivity Promote user participationImproved management
One or more inter-connected TCP/IP networks
Internet connectivity with firewall protectionServers: Web, E-Mail, Proxy, DNSBrowsers, plug-ins, authoring toolsDatabases, search enginesWebsite administration tools
Technology behind Intranets
Example…
Servers
Shared Data
Firewall Internet
Intranet
Integration
PCs
Advantages
Platform IndependentEase of publishingEasier to setupEase of useMaintenance is very easyCost effectiveInformation retrieval is timely
manner.
Disadvantages
Security ConcernsIntranet may cause information
overload
Intranet VS Internet
InternetExternal websitesE-Commerce
InsecureTCP/IPLimited
management
IntranetInternal websitesCommutation &
Information accessSecureTCP/IPManaged
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INTRANET
Internet,Intranet & Extranet
The relationship between access to intranets, extranets and the Internet
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DNS is a distributed hierarchical naming system for computers, services, or any resource connected to the Internet or a private network.
The entry in database file is DNS resourse record.
What is DNS?
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Mapping from names to addresses(server to client)
Mechanism to store and retrieve information in a global data store.
DNS Provides:
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DNS ElementsResolver:-
The client-side of the DNS is called a DNS resolver
Server:-Where sender send the request for
query.
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DNS Operations
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It's More Reliable.It's Faster.It's SmarterIt's Safer.
Advantages
Conclusion
THANKU…..
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Any Questions?
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