network

a magnifying glass looking at a computer screen that's displaying a network performance graph

How to Identify Your Machine’s Network Connections

Your computer might be chatting with hundreds of servers right now, including sites you might not expect, without you knowing! I’ll show you free tools that let you see what your machine is up to online.

A Wi-Fi access point with the items 802.11b, 802. 11g, 802.11n, 802.11a, 802. 11ac, and 802.11ax floating around it.

How Do I Tell Which Wi-Fi Protocols My Computer Supports?

Ever wondered if your Wi-Fi card can handle the latest speeds, or why it won’t connect in certain places? I’ll show you exactly how to check which Wi-Fi protocols your computer supports, and what those cryptic “802.11” labels actually mean.

How Does NAT Work?

NAT is a fundamental technology used by routers allowing you to share internet connections and stay safe. I’ll give a conceptual overview.

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