Download GTU BE/B.Tech 2019 Summer 8th Sem Old 180701 Distributed Systems Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 8th Sem Old 180701 Distributed Systems Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VIII (OLD) EXAMINATION ? SUMMER 2019
Subject Code: 180701 Date: 13/05/2019

Subject Name:Distributed Systems

Time: 10:30 AM TO 01:00 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) Define distributed system. What is main motivation of distributed system?
Explain advantages and disadvantages of distributed systems.
07
(b) Write and explain the algorithm of constructing a DFS spanning tree with
specified root.
07

Q.2 (a) Why traditional network protocols are not suitable for distributed systems?
Explain VMTP protocol used for distributed system.
07
(b) What is atomic broadcast? Explain Group Communication Mechanism 07
OR
(b) Draw and explain ATM cell format. 07

Q.3 (a) Explain construction a DFS spanning tree for a specified root. 07
(b) Discuss and compare various election algorithms 07
OR
Q.3 (a) Explain RPC Architecture. What is the role of IDL file in RPC? 07
(b) Enumerate the various issues in clock synchronization. Classify the clock
synchronization algorithms and explain Berkeley algorithm with an example.
07

Q.4 (a) Discuss load estimation policy and Process transfer policy in load balancing
algorithms.
07
(b) How does process migration takes place in heterogeneous systems? 07
OR
Q.4 (a) What is object location? How is it carried out in a distributed system? Discuss
various object-locating mechanisms.
07
(b) How problem is specified using formal model? Explain asynchronous point to
point message passing and asynchronous broadcast.
07

Q.5 (a) Which are the different types of process scheduling techniques? Explain
desirable features for good scheduling algorithm.
07
(b) What is coherence protocol? Explain how the MRMW protocol is implemented. 07
OR

Q.5 (a) Explain the DNS name service and bind implementation of DNS. 07
(b) Write a note on following (any 4)
(1) Name Space
(2) Name resolution
(3) Name Server
(4) Context binding
(5) Broadcast and converge cast on spanning tree.

07

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