Download JNTUA MCA 2016 Nov 4th Sem 9F00405a Distributed Systems Question Paper

Download JNTU Anantapur (JNTU Anantapur) Master of Computer Applications (MCA) 2016 Oct-Nov Regular Supply 4th Sem 9F00405a Distributed Systems Previous Question Paper

Code: 9F00405a
MCA IV Semester Regular & Supplementary Examinations July 2015
DISTRIBUTED SYSTEMS
(For students admitted in 2009, 2010, 2011, 2012 and 2013 only)

Time: 3 hours Max Marks: 60
Answer any FIVE questions
All questions carry equal marks
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1 (a) What makes a distributed system different from client-server technology?
(b) How can you say World Wide Web is an example of distributed system?

2 (a) What is the functionality of fundamental models in distributed systems?
(b) Distinguish horizontal distribution and vertical distribution.

3 (a) Elaborate on distributed communication entities. How they communicate?
(b) Explain the features of java RMI.

4 (a) What is an execution environment for a process?
(b) How a process in distributed system is different from a process in traditional system?

5 Explain detail about Andrew file system.

6 (a) Suggest and explain algorithm for mutual exclusion in distributed systems that considers
processes to crash.
(b) Compare different methods of concurrency control in distributed systems.

7 (a) What are the different issues with distributed transactions?
(b) Why is it always not possible to provide 100% fault tolerant services in distributed systems?

8 Explain in detail about chorus.
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