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

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

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

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

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

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

How the World Wide Web Works How a Web browser works How a Web search engine works

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..