Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 8th Sem Old 180701 Distributed Systems Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VIII (OLD) EXAMINATION ? WINTER 2018
Subject Code: 180701 Date: 19/11/2018
Subject Name: Distributed Systems
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) What is a distributed system? How a distributed system does projects a single
system image? Discuss the design issues of distributed system.
07
(b) Explain any two protocols of distributed systems. 07
Q.2 (a) Explain IPC synchronization techniques in distributed systems. 07
(b) Write a note on RPC. 07
OR
(b) Write a note on RMI. 07
Q.3
(a)
Assign the clock timing according to Lamport?s logical clock.
07
(b) Write a note on Vector clock and enlist the advantages of it in comparison of
Lamport?s logical clock.
07
OR
Q.3 (a) Define thrashing in DSM. Also explain methods for solving thrashing problem
in DSM.
07
(b) How problem is specified using formal model? Explain asynchronous point to
point message passing and asynchronous broadcast.
07
Q.4 (a) Explain any two techniques of load balancing in distributed systems. 07
(b) Write a note on Process migration. 07
OR
Q.4 (a) Discuss thread synchronization. 07
(b) What is consistency? Discuss the various consistency models used in DSM
system.
07
Q.5 (a) What is coherence protocol? Explain how the MRMW protocol is implemented. 07
(b) Explain ways of naming of a file in distributed systems. 07
OR
Q.5 (a) Explain the common approaches to user authentication. What problems are
associated with these approaches?
07
(b) How does DFS differ from a file system used for a centralized time-sharing
system?
07
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This post was last modified on 20 February 2020