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Internet_and_World_Wide_Web

Internet_and_World_Wide_Web - AB113 Information Technology...

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AB113 Information Technology Internet and the World Wide Web 1. Understand the basic features of Internet The Internet is the worldwide, publicly accessible network of interconnected computer networks (linked by copper wires, fiber-optic cables, and wireless connections) that transmit data by packet switching using the standard Internet Protocol (IP). The Web is a collection of interconnected documents and other resources , linked by hyperlinks and URLs. Every data packet on the internet carries the sender’s and recipient’s IP Address. IP Address is a string of 32 bits, commonly represented by 4 octets (155.69.5.156). IP Address must be unique and there are 2 32 different IP Addresses where there is no packet in the internet that doesn’t have one. Different Internet service providers (ISP) interconnect at Network Access Point (NAP) so that their users from one ISP can communicate with users from another ISP. The Internet is a collection of huge corporate networks that agree to all intercommunicate with each other at the NAP. In this way, every computer on the Internet connects to every other.
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