Sharing notes from my ongoing learning journey — what I build, break and understand along the way.
What Is DNS? A Deep Dive into the Internet’s Hidden Backbone 1. What Is DNS? DNS (Domain Name System) is the system that translates human-readable domain names like google.com into machine-readable IP addresses like 142.250.74.238. It’s essentially the phone book…
What Are TCP and UDP? TCP and UDP are two of the most fundamental protocols in networking. Yet, most explanations stop at “one is reliable, the other is fast.” After spending time truly understanding them — how they work, when…
What Is a Network Topology? Recently, I started learning about computer networks, and one of the topics that really caught my attention was network topologies. These are basically the ways devices (like computers, printers, etc.) are connected to each other…
Understanding Virtual Machines and How to Set Up VirtualBox What Is a Virtual Machine? A Virtual Machine (VM) is exactly what it sounds like — a simulated computer that runs inside your actual computer. It behaves like a real machine,…