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Reg No.:

Max. Marks: 100

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10000CS407122003 Pages: 2

Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Seventh Semester B.Tech Degree Examination (Regular and Supplementary), December 2020

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Course Code: CS407
Course Name: DISTRIBUTED COMPUTING

PARTA
Answer all questions, each carries 4 marks.

List any four challenges in the design of a distributed system.

Discuss the techniques used in distributed systems for failure handling.

Distinguish between the two variants of the interaction model in distributed
systems.

What is file group? How will you generate a unique identifier for a file group?
Write notes on the three RPC call semantics.
List and explain the characteristics of multicasting.

What is the purpose of using Locks in transactions? Describe two-phase
locking.

Explain the basic time stamp ordering rule.

What are the criteria for evaluating the performance of a mutual exclusion
algorithm?
Explain the Ricart and Agarwal algorithm.
PART ‏تا‎

Answer any two full questions, each carries 9 marks.
Compare workstation model with workstation-server model.
Illustrate the processor-pool model with a neat diagram. Discuss the features.
Describe architectural patterns used in distributed systems.
What are the different placement strategies followed in a distributed system?
Explain interaction model of distributed systems.

Explain how multimedia services are supported in distributed systems.

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Duration: 3 Hours

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