Networks

Table Section A: Describe what a virus is and how they threaten computer networks.

Explain, in your own words, how data is sent across the internet.

Please outline the components of a ‘Data Packet’ by explaining the various labels depicted on the ‘Data Packet Truck’ in the image below.

Explain, in your own words, what a WAN is.

Explain the difference between a switch and a hub and also the purpose of a router.

Identify and name each of the devices shown below, and describe what each device does and why it is needed when forming a Local Area Network (LAN).