Different between Intranet and Internet

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Security Measures

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DATA BACKUP  A  data backup  is the result of copying or archiving files and folders for the purpose of being able to restore them in case of data loss. Data loss can be caused by many things ranging from computer viruses to hardware failures to file corruption to fire, flood, or theft (etc). If you are responsible for business data, a loss may involve critical financial, customer, and company data. If the data is on a personal computer, you could lose financial data and other key files, pictures, music, etc that would be hard to replace. As part of a data backup plan, you should consider the following: What data (files and folders) to backup What compression method to use How often to run your backups What type of backups to run* What kind of media on which to store the backups Where to store the backup data for safekeeping 2. Cryptography Cryptography includes techniques such as microdots, merging words with images, and othe...
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Voice Over Internet Protocol

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Voice over Internet Protocol   (also   voice over IP,   VoIP   or   IP telephony) is a methodology and group of technologies for the delivery of   voice communications   and   multimedia sessions over   Internet Protocol   (IP) networks, such as the   Internet . The terms   Internet telephony,   broadband telephony, and   broadband phone service   specifically refer to the provisioning of communications services (voice,   fax ,   SMS , voice-messaging) over the public Internet, rather than via the   public switched telephone network   (PSTN). The steps and principles involved in originating VoIP telephone calls are similar to traditional digital   telephony   and involve signaling, channel setup, digitization of the analog voice signals, and encoding. Instead of being transmitted over a   circuit-switched network , the digital information is packetized, and transmission o...
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DO YOU KNOW ABOUT INTRANET? Intranet Intranet is defined as private network of computers within an organization with its own server and firewall. Moreover we can define Intranet as: Intranet is system in which multiple PCs are networked to be connected to each other. PCs in intranet are not available to the world outside of the intranet. Usually each company or organization has their own Intranet network and members/employees of that company can access the computers in their intranet. Every computer in internet is identified by a unique IP address. Each computer in Intranet is also identified by a IP Address, which is unique among the computers in that Intranet.
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