M.C.A. DEGREE EXAMINATION, APRIL 2017
Fourth Semester
Computer Application
DISTRIBUTED COMPUTING
(2012 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 X 2 20)
Answer all questions.
1. What is resource sharing?
2. What is distributed system?
3. Define remote procedure call.
4. Define processes.
5. Define thread.
6. Define process manager.
7. What are the major short coming schemes in DNS?
8. Define directory service.
9. What is lock?
10. Give the properties of ACID transaction.
Sub. Code
541402/
545402
RW-159
2
wk12
Part B X 5 25)
Answer all questions choosing either or
11. Explain characteristics of distributed system.
Or
Discuss about the scalability of distributed system
in internet.
12. Explain about the inter process communication.
Or
Discuss communication between distributed objects.
13. Explain about the overview of cryptographic
algorithm.
Or
Discuss about the characteristic of distributed file
system.
14. Discuss about the clock, event and process states.
Or
Explain about the logical time and logical clocks.
15. Discuss about the nested transaction.
Or
Explain about the atomic commit protocol.
Part C X 10 30)
Answer any three questions.
16. Explain briefly about the system architecture in
distributed system.
17. Explain briefly about client server communication.
RW-159
3
wk12
18. Discuss briefly about the Operating system architecture.
19. Describe briefly about the directory and discovery
services.
20. Explain about the optimistic concurrency control.
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