Introduction

A complete network can be a mix of two modes of connection

• Connected with physical cables and/or
• Connected with wireless technology

As well as the hardware and cables needed to do this, the network must also stick to an agreed set of standards that sets out how the devices will talk to one another.

If every devices keeps to the same standard then they will be able to exchange data with one another.

The main standard for wired connections is Ethernet.

There are two very popular standards for wireless connections, namely Wi-Fi and Bluetooth.

This section will describe these standards.