The internet vs the WWW, URLs and HTTP/HTTPS, web browsers and cookies, and the main cyber-security threats and defences.
The internet vs the World Wide Web
The internet is the worldwide network of interconnected networks — the physical infrastructure (cables, routers, servers) and the protocols that connect them.
The World Wide Web (WWW) is the collection of web pages and websites accessed over the internet using HTTP/HTTPS. The web is a service that runs on the internet — they are not the same thing.
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