Computer Science

a network where devices are designated as clients or servers

a network of personal devices that allows data to be exchanged within their immediate vicinity

a single network covering a single site, usually covering a small geographical area

two or more distinct networks connected together, usually covering a large geographical area

Types of network

Network basics

Network hardware and MAC addresses

Network topologies

Wired networks

Wireless networks

Network addressing

Network performance

The impact of network failure

In this unit pupils will be develop their understanding of computer networks by looking at network models and the tasks performed by network hardware. They will discover the differences between wired and wireless transmission media and the factors that can affect the performance of a network.

Network fundamentals

to request and use services provided by a server

What is the main role of a client in a network?

to provide services such as file storage or email

What is the main role of a server in a network?

Put these steps in order to access a file in a client–server network:

Clients request services, servers provide them.

All devices have the same role and just send and receive data.

Devices can have different roles in a network.

Which of these is a misconception about devices on a client-server network?

What is the term for a group of connected computers that can share resources and communicate with each other?

to easily share files, printers and resources

Why do people often use networks in a work environment?

to allow students and teachers to access shared resources and collaborate

What is one main reason schools set up computer networks?

provides access to information and online resources

allows people to work together in real time

Match each network feature to its benefit:

It gives access to a wide range of information and online resources.

How does using the internet in a network help with research and learning?

Types of network

Lesson outcome