O Level Computer Science 2210, topic 2.3
Encryption: past paper questions
7 Cambridge O Level Computer Science 2210 questions on Encryption (2.3) from 7 papers, 2023 to 2026. Open the paper or try a question free.
Practising builds a set from this topic, free with an account. One question opens straight away, with no account.
- Questions
- 7
- Papers
- 7
- Years
- 2023 to 2026
- Total marks
- 60
- Average per question
- 8.6 marks
- Largest question
- 14 marks
By type: Structured 7
How hard the questions are
- Recall0
- Apply5
- Analyse2
- Not banded0
Derived from the command word Cambridge prints in each question, banded by a fixed table beside the syllabus's own definitions. A question printing no command word is unbanded: unknown, not middling.
Command words
- completeApply4 questions
- drawApply2 questions
- explainAnalyse2 questions
set out purposes or reasons / make the relationships between things clear / say why and/or how and support with relevant evidence
- giveRecall2 questions
produce an answer from a given source or recall/memory
- identifyRecall2 questions
name/select/recognise
- stateRecall2 questions
express in clear terms
- showApply1 question
- useApply1 question
Where the questions come from
By year
- 20262
- 20251
- 20243
- 20231
By session
- May/June5
- Oct/Nov2
By paper
- Paper 17
Questions on this topic
Showing 7 of 7, spread across the years. Open one to write your answer and have it marked.
- Try this questionQuestion 6May/June 2026, paper 11Structured10 marks
Web pages need to be located and retrieved to be displayed on a device. Complete the paragraph about locating and retrieving web pages.
- Try this questionQuestion 6May/June 2025, paper 11Structured9 marks
Data can be encrypted using asymmetric encryption. Complete the paragraph about asymmetric encryption.
- Try this questionQuestion 7Oct/Nov 2024, paper 12Structured14 marks
A student enters the uniform resource locator (URL) for a web page into their tablet computer. State what is meant by a URL.
- Try this questionQuestion 8Oct/Nov 2023, paper 12Structured6 marks
Draw and annotate a diagram that demonstrates the cyber security threat of data interception.
- Try this questionQuestion 4May/June 2026, paper 12Structured10 marks
An odd parity byte check is used to check for errors in data that is transmitted from a computer to a printer. Three bytes of data need to be transmitted. Give the correct parity bit that would be added to each byte of data for an odd parity byte check.
- Try this questionQuestion 7May/June 2024, paper 11Structured4 marks
Data is encrypted to keep it safe during transmission. Complete the paragraph about asymmetric encryption.
- Try this questionQuestion 2May/June 2024, paper 12Structured7 marks
Data can be transmitted from one device to another. Tick (✓) one box to show which of the terms is not a method for transmitting data.






