M.C.A. DEGREE EXAMINATION, APRIL 2016
Fourth Semester
DISTRIBUTED COMPUTING
(CBCS 2012 onwards)
(Common for MCA
Time 3 Hours Maximum 75 Marks
Part A (10 2 20)
Answer all questions.
All questions carry equal marks.
1. What are the advantages of distributed systems?
2. What is an internet?
3. What do you mean by marshalling?
4. What is the purpose of remote procedure call?
5. Define process.
6. Define cryptography.
7. What is logical time?
8. What is the need for synchronization?
9. Define transaction.
10. Write the conditions for distributed deadlock.
Sub. Code
541402/
545402
RW-10783
2
Sp4
Part B 5 25)
Answer all questions choosing either or
11. What are the challenges in the distributed system?
Or
Explain the internet protocols.
12. Describe the client-server communication model.
Or
Explain the communication between distributed
objects.
13. Write about digital signature.
Or
Explain the distributed file system.
14. Explain the DNS with an example.
Or
Describe the distributed debugging.
15. Explain optimistic concurrency control with an
example.
Or
Explain distributed multimedia system.
RW-10783
3
Sp4
Part C 10 30)
Answer any three questions.
16. Describe the various types of networks.
17. Explain the java RMI with an example.
18. Explain the cryptographic algorithms.
19. Describe the multicast communication related problems.
20. Explain flat and nested distributed transactions with
example.