📖 From Operating System • 449 questions available
Practice MCQs for 15. Security. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.
🔄 Last updated: 2026-07-27
Q1. A company stores payroll data on a server. An employee accidentally copies the file to a USB drive and loses it. Which type of security violation does this represent?
💡 Difficulty: easy | ✅ Correct: A
Q2. A malicious attacker exploits a buffer overflow to gain root privileges. Which security principle is being violated?
💡 Difficulty: medium | ✅ Correct: B
Q3. A system uses discretionary access control (DAC). An attacker gains privileges by convincing a user to run malicious code. Which security principle is compromised?
💡 Difficulty: hard | ✅ Correct: A
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