Wired and wireless networks

Computing

An introduction to computer networks

Protocols and IP addresses

The internet

Exploring the World Wide Web (WWW)

Internet of Things

In this unit pupils will explore the impact networks have on our daily lives. They will define what a network is and explore the benefits of networking, before covering how data is transmitted across networks using protocols. They will investigate different types of network and hardware required.

Computer networks and data transmission

If you want a more secure and stable connection for online gaming, what would you use?

 The video is being downloaded too quickly.

There is not enough bandwidth when connecting to the internet.

What does it mean when an online video is "buffering"?

Which of the following online activities typically requires the highest bandwidth?

Which of these is a disadvantage of wireless networks?

the amount of data that can be transferred in a given time

They ensure data is sent to the correct device in the correct format.

They allow devices to connect to any network in the world.

Which of the following is a reason why protocols are important in computer networks?

Which of the following is a valid IP address format?

the requirement for an "@" symbol in an email address

the use of a password to protect an email account

the option to forward an email to someone else

Which of the following is an example of a rule used for email addresses?

The email will be delivered to everyone on the network.

The email will be delivered to the sender's inbox.

The email will not be delivered, and the sender might receive an error message.

The email will be delivered to a random person.

What could happen if an email is sent without a valid email address?

The user will be unable to access the internet.

The user's computer might be infected with a virus.

What could happen if a website address doesn't follow the correct protocol and is missing http:// or https://?

https:// is used for secure email addresses.

https:// indicates a secure connection between your browser and a website.

https:// is used for websites with images and videos.

What is the main difference between http:// and https:// in a website address?

Starter Quiz

Which of the following is a reason why protocols are important in computer networks?