Download JNTUA MCA 2014 Oct Supply 4th Sem 9F00405a Distributed Systems Question Paper

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Code: 9F00405a

MCA IV Semester Regular & Supplementary Examinations September/October 2014

DISTRIBUTED SYSTEMS

(For students admitted in 2009, 2010, 2011 and 2012 only)

Time: 3 hours Max Marks: 60

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Answer any FIVE questions

All questions carry equal marks

1. State differences between distributed and centralized system.
2. Explain the types of network in distributed system.
3. Discuss about internet protocols in distributed system?

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4. For IPC, explain client-server communication.
5. Explain internal data representation in IPC.
6. Write a short note on IPC in UNIX.
7. Write a short note on RPC protocol.
8. Give a description of Java RMI.

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9. Define communication between distributed objects.
10. What is protection in operating system support?
11. Write a short note on operating system architecture.
12. Explain the operating system layer.
13. What is file-server architecture in DFS?

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14. Differentiate between Sun network file system and Andrew file system.
15. Write a short note on distributed file system.
16. What is time stamp ordering?
17. Explain logical and physical clock.
18. What are directory services? Explain it in content of name services.

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19. What are distributed deadlocks?
20. Explain atomic commit protocols and concurrency control in distributed system.
21. How authentication and key distribution is done in distributed system?
22. Write a short note on chorus.
23. What are different consistency models in distributed shared memory?

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24. What is sequential consistency and Ivy?

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