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📝 Auditing, accounting, and logging

📖 From Operating System • 15. Security • 8 questions available

Practice MCQs for Auditing, accounting, and logging. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

2
Easy Questions
4
Medium Questions
2
Hard Questions

📝 Sample Questions

Q1. What is the default TCP port number used by the rsh service?

🔹 A. 514
🔹 B. 22
🔹 C. 512
🔹 D. 23

💡 Difficulty: easy | ✅ Correct: A

Q2. Why does a buffer overflow in the finger daemon enable the worm to execute /bin/sh?

🔹 A. It modifies file permissions
🔹 B. It overwrites the return address on the stack
🔹 C. It changes environment variables
🔹 D. It triggers a denial of service

💡 Difficulty: medium | ✅ Correct: B

Q3. When a worm sends a 536‑byte string to the finger daemon, which memory region is most likely overwritten?

🔹 A. Heap
🔹 B. Stack
🔹 C. Code segment
🔹 D. CPU registers

💡 Difficulty: hard | ✅ Correct: B

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🔗 Related Topics

📝 The Security Problem in Operating System📝 Program Threats in Operating System📝 Trojan horse📝 Trap door📝 Logic bomb
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