What is a computer network?

• A single computer used by multiple people

• Two or more computers connected to communicate

• A computer with multiple software applications

• A computer used for gaming

Which of the following activities is an example of network use in the morning?

• Logging on to a PC for a Computing lesson

• Playing games online

• Music playing via a Bluetooth speaker

• Using social media

What network activity is mentioned for the daytime?

• Asking Alexa for the weather forecast

• Accessing files stored on the school network

• Controlling your central heating via an app

• Playing games online

In the evening, which of the following is an example of network use?

• Printing to the library printer

• Researching a topic on the internet

• Using social media

• Controlling your central heating via an app

How does data travel from a sender's machine to a recipient's machine?

• Directly through a cable

• Directly into the cloud

• Through multiple mail servers

• Directly to the recipient's machine

What are the sets of rules needed for successful communication called?

• Guidelines

• Protocols

• Regulations

• Instructions

Why are protocols important in communication?

• They make communication faster

• They ensure the message is passed successfully

• They are only used in written communication

• They are optional in most cases

What symbol must be used in an email address according to the protocols?

• #

• @

• $

• &

What is a requirement for an email address to be valid?

• It must contain a number.

• It must be unique.

• It must start with 'www'.

• It must end with '.com'.

What do all website addresses start with according to the protocols?

• www://

• ftp://

• http://

• mailto://