MU Computer Engineering (Semester 8)
Parallel & Distributed Systems
May 2012
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Explain distributed, computing systems models with diagram.
10 M
1 (b) Explain desirable features of a good distributed file system.
10 M

2 (a) Compare and contrast Mutual Exclusion Algorithms
10 M
2 (b) Explain Failure handling mechanism in message passing.
10 M

3 (a) Discuss the issues in designing Load-balancing algorithm.
10 M
3 (b) Explain communication protocols for RPC.
10 M

4 (a) Explain Stateful file servers and stateless file servers and its advantages.
10 M
4 (b) Write a note on Group Communication.
10 M

5 (a) Write a note on System Oriented names and Human Oriented Names.
10 M
5 (b) Explain different distributed physical clock synchronization algorithms with their relative advantages and disadvantages.
10 M

6 (a) Explain various consistency models in DSM.
10 M
6 (b) Explain RPC implementation mechanism.
10 M

Write short notes on (any four)
7 (a) Thrashing
5 M
7 (b) Token Ring Algorithm
5 M
7 (c) DCOM
5 M
7 (d) File - Caching Schemes
5 M
7 (e) Process Migration
5 M
7 (f) Naming and security
5 M



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