📝 Logic bomb

📖 From Operating System • 15. Security • 9 questions available

Practice MCQs for Logic bomb. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

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📝 Sample Questions

Q1. What is a logic bomb in computer security?

🔹 A. Malicious code that activates when a specific condition is met

🔹 B. A type of ransomware that encrypts files

🔹 C. A firewall rule that blocks traffic

🔹 D. An antivirus signature update

💡 Difficulty: easy | ✅ Correct: A

Q2. How does a logic bomb differ from a traditional computer virus?

🔹 A. A logic bomb encrypts files, whereas a virus only displays messages

🔹 B. A logic bomb modifies hardware, while a virus alters software

🔹 C. A logic bomb activates based on a condition, while a virus spreads by replicating itself

🔹 D. A logic bomb requires user interaction, while a virus operates automatically

💡 Difficulty: medium | ✅ Correct: C

Q3. A logic bomb is programmed to elevate privileges and install a backdoor when a specific admin account logs in. Which mitigation strategy provides the strongest defense?

🔹 A. Mandatory access controls that restrict privilege escalation

🔹 B. Regular operating‑system patching

🔹 C. Disabling all admin accounts permanently

🔹 D. Encrypting the file system with full‑disk encryption

💡 Difficulty: hard | ✅ Correct: A

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🔗 Related Topics

📝 The Security Problem in Operating System 📝 Program Threats in Operating System 📝 Trojan horse 📝 Trap door 📝 Stack and buffer overflow

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