📄️ 1. The OSI Model
A deep dive into the 7 layers of networking, from physical cables to the apps we use every day.
📄️ 2. TCP vs. UDP
Understand the fundamental difference between the Reliability of TCP and the Speed of UDP.
📄️ 3. IP & Subnets
Learn the language of IP addresses, the difference between IPv4 and IPv6, and how to carve out networks using CIDR.
📄️ 4. HTTP & HTTPS
A deep dive into request-response cycles, status codes, and why the 'S' in HTTPS is non-negotiable.
📄️ 5. DNS & DHCP
Learn how DHCP assigns IP addresses automatically and how DNS translates human names into machine IPs.
📄️ 6. Load Balancers & Proxies
Learn how to scale your applications and protect your servers using Reverse Proxies and Load Balancing algorithms.