CS Chapter 6 AS level

Which of the following best describes data security?

• Ensuring data is accurate and up to date

• Preventing unauthorised access or loss of data

• Ensuring only the owner can view the data

• Ensuring all users can freely access the data

Which of the following focuses specifically on protecting personal information from unauthorised access?

• Data integrity

• Data protection law

• Data privacy

• Data encryption

Which statement about data integrity is correct?

• It ensures that only authorised users can access data

• It ensures that data remains accurate and consistent

• It ensures that all data is encrypted

• It ensures that data is protected by firewalls

Which of the following best enforces access rights?

• Antivirus software

• User accounts with hierarchical levels

• Data encryption

• File compression

What is the primary purpose of authentication?

• To encrypt data before transmission

• To verify a user's identity

• To block malicious software

• To back up important data

Which of the following is an example of biometric authentication?

• CAPTCHA code

• Passwords with symbols

• Face recognition

• PIN numbers

What is the main weakness of using weak passwords such as '12345' or 'password'?

• They require frequent updates

• They can be easily guessed or brute-forced

• They take longer to type

• They require special characters

Which of the following tasks is not performed by a firewall?

• Blocking traffic based on set criteria

• Detecting spyware within files

• Logging incoming and outgoing data

• Preventing access to blacklisted IP addresses

Why must antivirus software be updated regularly?

• To encrypt user files

• To add detection for new viruses

• To reduce CPU usage

• To increase storage space

Which of these cannot be prevented by a firewall?

• Access from external hackers

• Employees sharing passwords

• Viruses entering via the internet

• Communication with blacklisted sites