Introduction to IT and Cybersecurity: Web Infrastructure

The video tutorial covers the fundamental building blocks of the Internet, including ISPs, NAPs, IP addresses, DNS, and URLs. It explains the structure and function of IP addresses, the role of DNS in mapping domain names to IP addresses, and the importance of protocols like HTTP and FTP. The tutorial also discusses the Internet's structure, including ISPs, NAPs, and the backbone, and introduces cloud service providers like AWS, Azure, and GCP.

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