WorksheetsThe Internet and how it works
Total questions: 14
Worksheet time: 5mins
As of October 2025, how many internet users are there worldwide?
(as a percentage of the global population)
52%
46%
75%
90%
Router can be described as either Edge or Core, what are the two types of edge router?
Which network is generally cheaper to set-up?
Client-Server
What does VPN stand for?
(a)
Which principle is essential for ensuring the reliability and security of the internet?
Foster collaboration principle
If you don't like my principles, I have others
Peer-to-peer principle
End-to-end principle
What form does the information inside a fibre cable take?
Light Pulses
Sound Waves
Electrical Pulses
Electrical Signals
Which addresses will be included in an internet packet header?
E-mail address
Web-site URL address
Source and destination IP address
Destination MAC address
What is the purpose of the checksum in a data packet?
To detect and possibly correct errors
To maintain a packets Time To Live (TTL)
To enable the packets to be reassembled in the correct order
To acknowledge receipt
