B.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Sixth Semester
Information Technology
Elective DISTRIBUTED COMPUTING
(CBCS 2011 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all the questions.
1. Mention two uses of Web Search.
2. Expand MMOG.
3. What is an API?
4. Enumerate any two connection protocols.
5. Define Middleware.
6. What is a thread?
7. Expand DNS.
8. Define External Synchronization.
9. What is a Nested Transaction?
10. Define Timestamp.
Sub. Code
1BITE3A
AFC-10408
2
Ws9
Part B x 5 25)
Answer all the questions, choosing either or
11. Give a note on Resource Sharing.
Or
List and explain the types of networks.
12. Discuss in brief about Remote Method Invocation.
Or
Mention the methodology behind Multicast
Communication.
13. What is meant by Virtualization at Operating
System Level? Explain.
Or
Give a short note on Symmetric and Asymmetric
cryptographic algorithms.
14. Discuss about the functionality of Clock skew and
Clock drift.
Or
Explicate the necessity for Directory Services.
15. What is meant by Atomic commit protocols? Clarify.
Or
Elucidate about Passive Replication.
AFC-10408
3
Ws9
Part C x 10 30)
Answer any three questions.
16. Enumerate the challenges encountered by Distributed
Systems and explain them.
17. Describe about Remote procedure Call in detail.
18. Discuss in detail about the Operating System
Architecture with illustrations.
19. Elucidate the Global States in Time Control.
20. Illustrate the importance of handling Distributed
Deadlocks in detail.
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