📝 Network Structure in The Linux System

📖 From Operating System • 18. The Linux System • 21 questions available

Practice MCQs for Network Structure in The Linux System. 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 the primary unit that the kernel uses when performing I/O on a block device?

🔹 A. A character interface

🔹 B. A unit of I/O

🔹 C. A network socket

🔹 D. A process scheduler

💡 Difficulty: easy | ✅ Correct: B

Q2. What does the acronym CFQ stand for in Linux I/O scheduling?

🔹 A. Completely Fair Queueing

🔹 B. Circular Fair Queue

🔹 C. Constant Frequency Queue

🔹 D. Core File Queue

💡 Difficulty: medium | ✅ Correct: A

Q3. A high‑performance web server uses multiple disks with different rotational speeds and currently runs C‑SCAN on all disks. Which scheduling strategy could maximize overall throughput while preventing slower disks from becoming bottlenecks?

🔹 A. Assign CFQ per disk and weight each by its speed

🔹 B. Use a single global C‑SCAN queue for all disks

🔹 C. Disable scheduling on the fast disks

🔹 D. Randomize requests across all disks

💡 Difficulty: hard | ✅ Correct: A

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🔗 Related Topics

📝 Linux History 📝 The Linux kernel 📝 The Linux system 📝 Linux distributions 📝 Linux licensing

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