The Internet: Crash Course Computer Science

The video explains the structure of the internet, detailing how data is routed through LANs, WANs, and the internet backbone. It covers the basics of IP and UDP protocols, including their roles in data transmission. The TCP protocol is explored, highlighting its features like sequence numbers and acknowledgments. The Domain Name System (DNS) is explained, showing how domain names are mapped to IP addresses. Finally, the OSI model is introduced, illustrating the layers of network processes and the importance of abstraction.

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