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Dr. A.P.J. Abdul Kalam University MCA V SEM Distributed Systems [MCA505 III (A)] Dec 2020 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Computer Application

Fifth Semester Main Examination, Dec-2020

Distributed Systems [MCA505 III (A)]

Time: 3:00 Hrs Max Marks 70

Note: Answer any five questions. All questions carry equal marks.

Q.1 (a) What are the Goals of Distributed Systems? Explain any two in details?

 (b) Explain the client server models in details by using diagram?

Q.2 (a) What is Distributed Shared Memory (DSM)? Describe its architecture.

 (b) What is code migration means? Write the process of working?

Q.3 (a) What is mean by Threads? Explain the threads in Distributed Systems?

 (b) Explain the Architecture of distributed security in distributed systems?

Q.4 (a) What is API for internet protocol?

 (b) Discuss the various concurrency control protocols.

Q.5 (a) Differentiate Static and Dynamic RMI.

 (b)What is Concurrency control in distributed databases.

Q.6 (a) Discuss the major issues in designing a distributed operating system? Explain the main

characteristics of a distributed event based system?

 (b) Define Fault Tolerance. Explain in brief with example?

Q.7 (a) What are the requirements for distributed mutual exclusion algorithms?

 (b) Explain in detail the deadlock handling strategy?

Q.8 Short note on: (Any three define with example)



 (C) RPC

 (D) SSL (Secure Socket Layer)

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