1. 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

2. How the Internet Works How Local Area Network Works
How Network Communications Work
How Data Travels the Internet
How 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..