Subject Code: 180701
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE -SEMESTER- VIII OLD EXAMINATION - SUMMER 2020
Subject Name: Distributed Systems
Time: 02:30 PM TO 05:00 PM
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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Q.1 (a) Discuss the design issues of distributed system. [07]
(b) Explain VMTP protocol. [07]
Q.2 (a) Compare and contrast the IPC synchronization techniques in distributed systems. [07]
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(b) Explain how RPC works using a program of calling int add(int no1, int no2) method. [07]
OR
(b) Explain RMI architecture and a sample program to call int add (int no1, int no2) method. [07]
Q.3 (a) Explain construction a DFS spanning tree for a specified root. [07]
(b) Which is the best election algorithm, in distributed systems? Explain how. [07]
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OR
(b) Explain Lamport’s logical clock using example. [07]
Q.4 (a) Explain with example the significance of exactly-once semantics to handle duplicate request messages. [07]
(b) Explain distributed algorithm for mutual exclusion using diagram(s). [07]
OR
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(b) Compare and contrast process migration techniques. [07]
Q.5 (a) Explain MRMW protocol. [07]
(b) What is consistency? Discuss the various consistency models used in DSM system. [07]
OR
(a) What are the differences between sender-initiated and receiver-initiated load sharing algorithms? [07]
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(b) Write the advantages of distributed shared memory. Define HDSM and explain Ring based multi processor. [07]
OR
(b) Explain object naming algorithms in distributed systems. [07]
(b) What is Thrashing? Explain all algorithms use for data location and DSM consistency management. [07]
Date: 26.10.2020
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Total Marks: 70
This download link is referred from the post: GTU BE 2020 Summer Question Papers || Gujarat Technological University
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