📝 Fault tolerance in Distributed Systems

📖 From Operating System • 17. Distributed Systems • 12 questions available

Practice MCQs for Fault tolerance in Distributed Systems. 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 definition of fault tolerance in computer systems?

🔹 A. The ability to prevent any errors from occurring

🔹 B. The ability of a system to continue operating despite failures

🔹 C. A method to increase processing speed

🔹 D. A technique for encrypting data

💡 Difficulty: easy | ✅ Correct: B

Q2. Why does the data‑link layer implement error detection and correction mechanisms?

🔹 A. Because it can correct errors locally before they propagate

🔹 B. Because it reduces overall network bandwidth usage

🔹 C. Because it handles routing decisions

🔹 D. Because it encrypts transmitted data

💡 Difficulty: medium | ✅ Correct: A

Q3. How does hop‑by‑hop error control improve overall system reliability compared to end‑to‑end control?

🔹 A. It reduces total retransmissions across the network

🔹 B. It masks errors early at each intermediate node

🔹 C. It provides faster recovery after a failure

🔹 D. It increases overall latency

💡 Difficulty: hard | ✅ Correct: B

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🔗 Related Topics

📝 Advantages of Distributed Systems 📝 Resource sharing in distributed system 📝 Computation speedup in distributed system 📝 Reliability in distributed system 📝 Communication in distributed system

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