C2 Section 8: Data Security and Integrity: revision quiz and key terms
Free practice for C2 Section 8: Data Security and Integrity in WJEC Eduqas A Level Computer Science. It covers: full topic test for C2 Section 8: Data Security and Integrity. Try the questions, then check the key terms.
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Which of these is an example of a biometric security method?
Standard clerical procedures can help protect data security alongside technical measures.
In public key cryptography, which key is used to decrypt a message that was encrypted with the recipient's public key?
Data integrity means that data is kept secret from unauthorised people.
What is the purpose of a checksum when data is transmitted?
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Key terms for C2 Section 8: Data Security and Integrity
- Asymmetric encryption
- Uses a pair of mathematically related keys, one public and one private.
- Audit trail
- A record of who accessed or changed data and when.
- Biometric technologies
- Identify or verify an individual based on unique physical/behavioural traits.
- Contingency planning
- Steps an organisation takes to recover from a disaster.
- Cryptography
- Converts data into a form that cannot be understood without a decryption key.
- Passwords
- Verify a user's identity before granting access to a system.
- Penetration testing
- An authorised simulated attack on a system to find security weaknesses.
- Symmetric encryption
- Encryption that uses the same key to encrypt and decrypt data.
What C2 Section 8: Data Security and Integrity covers
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- C2 Section 8: Cryptography and Biometrics
- C2 Section 8: Data Security and Integrity
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