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NSCT – Operating System Security MCQs

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1. . What is the main purpose of OS security?





2. . User authentication in an OS is used to:





3. . Which of the following is a common OS security threat?





4. . Passwords, fingerprint, and smart cards are examples of:





5. . Access control in an OS ensures that:





6. . Role-Based Access Control (RBAC) assigns permissions based on:





7. . Discretionary Access Control (DAC) allows:





8. . Mandatory Access Control (MAC) is:





9. . OS security patches are important because they:





10. . Which of the following helps prevent malware from running on an OS?





11. . File permissions in an OS control:





12. . OS auditing and logging are important to:





13. . A buffer overflow vulnerability can lead to:





14. . Antivirus and anti-malware programs help to:





15. . OS hardening refers to:





16. . Sandboxing is used to:





17. . Security updates should be:





18. . Two-Factor Authentication (2FA) provides:





19. . Encryption in an OS helps to:





20. . The main goal of OS security is to ensure:





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