plumiData security and integrity processes: Eduqas A‑Level Computer Science questions
Every Eduqas A-Level Computer Science exam question on 2.8 Data security and integrity processes, 2016–2025, with its mark scheme and examiner’s report.
Paper
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Exam
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Calculations
Q6(a)(i)
The whole paper ↗
Q6(a)(ii)
The whole paper ↗Q6(b)
The whole paper ↗Q10(a)
The whole paper ↗Q10(b)
The whole paper ↗Q10(c)
The whole paper ↗Q9(a)
The whole paper ↗Q9(b)
The whole paper ↗Q10(b)
The whole paper ↗
Q1(b)
The whole paper ↗
Q11(a)
The whole paper ↗Q11(b)(i)
The whole paper ↗Q11(b)(ii)
The whole paper ↗
All 24 questions on Data security and integrity processes, as a list
- June 2025, Component 2, Q12 (10 marks): As a computer security consultant, you have been asked by an organisation to give advice on how to protect the security and integrity of its data. The organisat
- June 2024, Component 2, Q6(a)(i) (4 marks): Describe the process of symmetric encryption. [4]
- June 2024, Component 2, Q6(a)(ii) (3 marks): Explain, giving an example, reasons for using symmetric encryption. [3]
- June 2024, Component 2, Q6(b) (3 marks): In a certain cypher method of encryption characters are changed using shifts and MOD functions. Each character in a word is moved forward in the alphabet by a d
- June 2024, Component 2, Q10(a) (4 marks): Explain, using an example, what is meant by the term biometric data. [4]
- June 2024, Component 2, Q10(b) (4 marks): Explain the process for using biometric data to control access to a secure area or system. [4]
- June 2024, Component 2, Q10(c) (4 marks): Explain why there may be objections to the use and storage of biometric data. [4]
- June 2024, AS Component 1, Q6 (6 marks): Describe contemporary processes that protect the security and integrity of data. [6]
- June 2024, AS Component 1, Q8 (6 marks): Explain how contingency planning can aid in the recovery from disasters that affect computer systems and outline potential threats to those systems. [6]
- June 2023, Component 2, Q9(a) (3 marks): Describe the process carried out by this algorithm. [3] 1 Define MyFunction (text, s) 2 3 for i = 0 to Len (text) 4 myarray [i] = substring (text,i,1) 5 next i
- June 2023, Component 2, Q9(b) (3 marks): Typical outputs from the algorithm are shown. Output 1 Output 2 Plain Text : Algorithm Testing Plain Text : Algorithm Testing Output : Epksvmxlq$Xiwxmrk Output
- June 2023, AS Component 1, Q13 (6 marks): Describe contemporary processes that protect the security and integrity of data. [6]
- June 2022, Component 2, Q10(b) (6 marks): APT is considering a BYOD (Bring Your Own Device) policy, which will allow its staff to use their own mobile devices when working on the office network. Describ
- June 2022, Component 2, Q12 (9 marks): Discuss the contingency planning that businesses should carry out to enable them to recover from computer system disasters. You should draw on your knowledge, s
- June 2022, AS Component 1, Q12 (4 marks): Describe malicious and accidental damage to data and identify situations where either could occur. [4]
- Autumn 2021, Component 2, Q12 (9 marks): A cyber-attack is an attempt to damage, disrupt or gain unauthorised access to a computer system. Discuss the implications of cyber-attacks on individuals and s
- Autumn 2020, Component 2, Q1(b) (3 marks): Only one terminal/checkout can update a stock record at a time. Identify the potential problem if customers purchase items with the same stock code at different
- Autumn 2020, Component 2, Q11(a) (8 marks): Discuss the advantages and disadvantages of symmetric (single key) and asymmetric (double key) encryption methods and explain a situation where each encryption
- Autumn 2020, Component 2, Q11(b)(i) (2 marks): Encryption is carried out using the formula: (original data)e MOD n = (encrypted data) Use the key values e=3, n=30 to encrypt the numeric value 8 [2]
- Autumn 2020, Component 2, Q11(b)(ii) (2 marks): Decryption is carried out using a similar formula: (encrypted data)d MOD n = (original data) Use the key values d=7, n=30 to decrypt the result calculated in pa
- June 2019, Component 2, Q13 (11 marks): You work as a computer security consultant. The manager of a hotel has asked you to examine their computer system and advise them on processes that protect the
- June 2019, AS Component 1, Q12(a) (3 marks): Identify three potential threats to computer systems. [3]
- June 2019, AS Component 1, Q12(b) (3 marks): Describe contingency planning for disasters which affect computer systems. [3]
- June 2017, Component 2, Q10 (6 marks): Compare symmetric and asymmetric cryptography. [6]
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