Computer Networks Quiz

What is a computer network?

• Two or more computers connected together

• A single computer

• A powerful computer that provides a service

• A set of rules

Answer explanation

A computer network is defined as two or more computers connected together, making the correct choice the one that mentions this definition.

Which term describes a set of rules that computers on a network use to communicate with one another?

• Method

• Protocol

• Instruction

• Conduct

Answer explanation

The term that describes a set of rules that computers on a network use to communicate with one another is 'Protocol'.

Which of the below is a valid protocol for email addresses?

• An '@' character must be used

• An '&' character must be used

• A '/' character must be used

• An '*' character must be used

Answer explanation

An '@' character must be used as it is a valid protocol for email addresses.

This hardware device connects a number of computers together on a local network. This hardware device has ports that allow cables to be plugged in from each connected computer. What is the device?

• Hub

• Computer network

• Network cable

• Router

Answer explanation

A hub is a hardware device that connects multiple computers on a local network by allowing cables to be plugged in from each connected computer.

The name of a piece of hardware that is used to connect different devices together is (a)   . This hardware is often made up of a number of wires.

• Protocol

• Server

• Network cable

• Router

Answer explanation

The correct hardware to connect different devices together is a network cable, typically made of wires for data transmission.

A common function of this hardware device is to join a home network to the internet via your internet service provider (ISP). What is the device?

• Router

• Server

• Network cable

• Hub

Answer explanation

The correct hardware device that joins a home network to the internet via the ISP is a Router.

This device is often described as a powerful computer that provides services. One example of a service that it can provide is shared access to files such as text, images, sound, or video. What is the device?

• Router

• Hub

• Network

• Server

Answer explanation

The correct device described is a server, which is a powerful computer that provides services like shared access to files such as text, images, sound, or video.

Match the following communication technologies with their types.

• Wired communication technology

• WiFi

• Wireless cellular technology

• 4G

• Wireless local area network

• Bluetooth

• Wireless personal area network

• Network cable

Match the following terms with their descriptions:

• The rate at which data is transmitted

• Bandwidth

• The movement of data through a network

• Speed

• The amount of data that can be moved from one point on a network to another point in a given time

• Flow

• A unit of measurement for data transfer rate

• Bits per second

Which of the activities below requires downloading information to your computer?

• Putting a video on YouTube

• Adding an image to a post on your social media feed

• Browsing a web page

• Posting a comment on Snapchat

Answer explanation

Browsing a web page requires downloading information to your computer as the content of the web page needs to be fetched and displayed on your screen.