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COSC 513 Presentation

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  1. How the Internet Works COSC 513 Presentation Student Name : Zhen Zhang ID : 95236 Instructor : Dr. Mort Anvari

  2. How the Internet Works • How Local Area Network Works • How Network Communications Work • How Data Travels the Internet • How E-Mail Works • How the World Wide Web Works

  3. How Local Area Network Works • How an Ethernet Network Works • How a Token-Ring Network Works • How a Star Network Works

  4. How network Communications Work • Application Layer • Presentation Layer • Session Layer • Transport Layer • Network Layer • Data-link Layer • Physical Layer

  5. How Data Travels the Internet • Using LAN or a modem • Going through routers • Determining the best path • Using WAN • Using protocol • Using repeaters, hubs, bridges, and gateways

  6. How E-Mail Works • Using e-mail client software • Encoding and compressing • Using SMTP sever • Using routers to select the best path • Using POP server • Decoding and decompressing

  7. How the World Wide Web Works • How a Web browser works • How a Web search engine works

  8. Conclusion • The Internet is the largest network in the world and its works are very complex. • To understand how the Internet works, you need to know LAN, WAN, network mechanism, protocol, etc..

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