📄️ How the Internet Works
Understand how data travels across the Internet, how devices communicate through packets and protocols, and how requests move between clients, servers, and networks.
📄️ Clients & Servers
Understand how clients and servers form the backbone of the Internet — how requests and responses flow, what roles each plays, and how they communicate using protocols.
📄️ DNS & IP Addresses
Understand how DNS and IP addresses work together to make the Internet human-friendly — learn what happens when you type a URL, how domain names are translated, and why IP addresses matter.
📄️ DNS
Explore the Domain Name System (DNS) — the backbone of the Internet that translates human-readable names into IP addresses. Learn its structure, types of records, and how the DNS resolution process works.
📄️ HTTP vs HTTPS
Understand the key differences between HTTP and HTTPS — how data travels over the Internet, why security matters, and how SSL/TLS encryption protects users and websites.