📝 Recovery from failure in Distributed Systems

Q1. A server process crashes and restarts, needing to retransmit lost data. Which layer of the TCP/IP model is primarily responsible for detecting the loss and initiating retransmission?

💡 Difficulty: easy | ✅ Correct: B

Q2. In a distributed file system, a client receives a partial file after a network interruption. Which TCP mechanism allows the client to resume the transfer without starting over?

💡 Difficulty: medium | ✅ Correct: A

Q3. In which year was the OSI reference model first published?

💡 Difficulty: hard | ✅ Correct: A