Network hardware

Describe the three main types of medium used to send signals across a network

List four common functions of a network access device

Describe the functionally of a network interface controller.

Describe what a MAC address is and explain how they can be used to control access to a network.

What are the advantages of using a switch rather than a hub?

What are two main types of router and how do they differ?

Modern modems use ADSL to communicate digitally, however modems predate ADSL so how did they work before?

Define a gateway and discuss if a router is also a gateway.