networking

networking Articles

3 articles — all explained with real stories

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Networking

DNS Explained: The Internet's Phone Book (And What Happens When It Breaks)

You type a URL. Half a second later, a webpage loads. Behind that half second is a surprisingly complex global lookup system called DNS — and understanding it will save you hours of debugging.

Apr 12, 2026·5 min read

Networking

Networking Equipment Explained: Switches, Routers, Firewalls – The City of Your Network

A small company is setting up its first office and cloud connection. They need switches, routers, firewalls... but what do they all do? Join us on a tour of the network city.

Mar 6, 2026·5 min read

Networking

The OSI Model: A 7‑Story Building for Your Data

How does the internet actually send cat videos from one computer to another? The OSI model explains it in seven layers — each with its own job, like a skyscraper with different departments.

Dec 21, 2025·5 min read