6.1 Data Security Cambridge iAS 9618

What is data security?

• Protecting data from unauthorized access, corruption, or loss.

• Ensuring data is always publicly accessible.

• Allowing unlimited access to data for all users.

• Only protecting data stored on physical devices.

Which of the following best defines data privacy?

• Controlling who has access to personal or sensitive data.

• Preventing unauthorized access to systems.

• Ensuring data is not deleted.

• Encrypting all stored files.

What does data integrity refer to?

• The accuracy, consistency, and reliability of data over time.

• Preventing data from being accessed.

• Storing all data in a secure database.

• Encrypting data before transmission.

Why is data security important?

• To protect sensitive information from cyber threats and unauthorized access.

• To increase the speed of computer processing.

• To prevent all hardware failures.

• To ensure data is always publicly accessible.

Which of these is NOT a security measure for protecting a computer system?

• Using firewalls

• Implementing strong passwords

• Installing anti-virus software

• Disabling all security software

What is the purpose of authentication techniques?

• To verify the identity of a user before granting access.

• To remove malware from a system.

• To automatically encrypt files.

• To make computers process faster.

Which of the following is an example of two-factor authentication?

• A password and a fingerprint scan.

• A long and complex password.

• A single security question.

• Encrypting all stored files.

How does a firewall enhance security?

• It monitors and controls network traffic to prevent unauthorized access.

• It blocks all incoming and outgoing internet connections.

• It removes malware from a system.

• It encrypts user passwords.

Which type of malware is designed to collect user information secretly?

• Spyware

• Firewall

• Anti-virus software

• Encryption software

What is the purpose of anti-virus software?

• To detect, prevent, and remove malicious software.

• To back up files automatically.

• To increase network speed.

• To prevent physical theft of devices.