Bhavnagar University 2007 M.Phil Computer Science Distributed Computing Systems - Question Paper

M.Phil. (NS) DEGREE EXAMINATION, MAY 2008.
Computer Science
DISTRIBUTED COMPUTING SYSTEMS

Time : 3 hours Maximum : 100 marks
ans any 5 ques..
All ques. carry equal marks.
(5 ? 20 = 100)
1. Explain the RPC semantics in the presence of failures and also explain the implementation problems.
2. (a) Discuss the actual distributed systems.
(b) Explain the multiprocessor time sharing systems.
3. With suitable example discuss the client-server model in detail.
4. (a) Explain the Bully election algorithm in detail.
(b) Discuss the properties of transactions.
5. Explain the concurrency control algorithm and also explain its advantages and disadvantages.
6. (a) Explain design problems for threads packages.
(b) Discuss in detail implementing threads in user space.
7. With suitable diagram discuss the semantics of file sharing.
8. Write short notes on :
(a) Different types of transparency in a distributed system.
(b) ATM adaptation layer.

Earning:   Approval pending.