Introduction

While studying for CompTIA Network+, I couldn't memorize the types of LAN cables and their use cases. Every time I faced these questions in mock tests, I got them wrong because of the complexity. Understanding the structure behind them cleared things up, so I decided to write it down.

What is LAN cable

LAN cable is the cable that connects between computers and network devices physically. The official name is Ethernet cable.

The connectors attached to both ends of the cable are called RJ-45, and each consists of 8 thin wires (pins).

What is a pin

There are 8 thin copper cables inside LAN cable.

These wires, called pins, are each numbered from 1 to 8.…