GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
Subject Name: Distributed Computing
Time: 10:30 AM TO 01:00 PM Total Marks: 70
3. Figures to the right indicate full marks.
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- VII (New) EXAMINATION — WINTER 2019
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Subject Code: 2173208 Date: 03/12/2019Subject Name: Distributed Computing
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
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2. Make suitable assumptions wherever necessary.3. Figures to the right indicate full marks.
| Marks | |
|---|---|
| Q.1 (a) Enlist and explain design issues in distributed systems. | 03 |
| (b) Explain any two communication protocol of distributed computing. | 04 |
| (c) Enlist and explain distributed computing models with their advantages and disadvantages. | 07 |
| Q.2 (a) Explain process addressing techniques. | 03 |
| (b) Compare and contrast blocking and non-blocking primitives of IPC. | 04 |
| (c) Explain what is message passing. Explain the message passing approaches in distributed computing. | 07 |
| OR | |
| (c) Explain RPC either using diagram and theory or using echo client-server program. | 07 |
| Q.3 (a) Explain any one mutual exclusion algorithm. | 03 |
| (b) Explain multi datagram messaging. | 04 |
| (c) Explain constructing a DEFES -spanning tree with and without a specified root. | 07 |
| OR | |
| Q.3 (a) Compare distributed computing and network computing. | 03 |
| (b) Explain fault tolerance ways in distributed computing. | 04 |
| (c) Explain RMI. either using diagram and theory or using echo client-server program. | 07 |
| Q4 (a) Enlist and explain the problems with unsynchronized clocks: | 03 |
| (b) Explain need of Process migration. Enlist and explain the ways to do it. | 04 |
| (c) Explain logical clock in distributed computing using example. | 07 |
| OR | |
| Q4 (a) Compare and contrast leader election in rings. | 03 |
| (b) Explain the terms global state and local state. Explain any algorithm of global state management. | 04 |
| (c) Enlist and explain how process management is implemented in distributed computing. | 07 |
| Q.5 (a) Explain implementation issues of distributed shared memory. | 03 |
| (b) Explain resource management in distributed computing. | 04 |
| (c) Differentiate between centralized and distributed systems. Explain any deadlock handling algorithm in distributed computing. | 07 |
| OR | |
| Q.5 (a) Differentiate between mutual exclusion algorithms in centralized system vs. distributed computing. | 03 |
| (b) Explain thrashing in distributed computing. Enlist and explain the ways to deal with it. | 04 |
| (c) Explain object locating mechanisms. Enlist and explain issues in designing human oriented names. | 07 |
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