Computer Science

storing a website or an online service on a server, so it can be accessed over the internet

software hosted online and usually accessed via a web browser or app without needing to install it on your own device

Hosting services

Internet fundamentals

How data travels across the internet

Protocols

Network models

The TCP/IP model

Web technologies

Threats to networks

Network security

In this unit pupils will explore how data travels across the internet. They will explore how protocols define communication between devices and the purpose of common network protocols. They will investigate the risks to networks and the methods that can be used to protect a network.

The internet and web technologies

What is the term for a device or user that requests services from a server in a network?

software accessed online, not installed on your device

a device that uses services from a server

a computer that provides services or data over a network

Arrange the steps for accessing a cloud service:

it is accessed online without installing it on your device

Which statement about software as a service (SaaS) is correct?

providing online software and storage services

they house the servers and equipment needed for cloud services

Why are data centres important for cloud computing?

What is the main purpose of a network model like TCP/IP or OSI?

How many layers are there in the TCP/IP model?

a level that describes part of the communication process

What does the term 'layer' mean in a network model?

Which protocol is commonly associated with the transport layer of the TCP/IP model?

Match each protocol to the correct TCP/IP layer:

data is unpacked as it moves up through layers

Hosting services

Lesson outcome