Download JNTUH MCA 4th Sem R15 2021 July-August 824AF Distributed Systems Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R15 2021 July-August 824AF Distributed Systems Previous Question Paper

R15

Code No: 824AF















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA IV Semester Examinations, July/August - 2021

DISTRIBUTED SYSTEMS

Time: 3 Hours















Max.Marks:75

2021

Answer any five questions

All questions carry equal marks

- - -



1.

Discuss about Java RMI with relevant example and diagram.





[15]


2.a)

What are the advantages and disadvantages of distributed systems over centralized systems?

b)

Write short notes on the design issues of DS.









[7+8]



3.

Explain about name services domain name systems in distributed systems.

[15]


4.a)

Explain in detail about distributed file systems.

b)

What are the requirements of the distributed file system?





[7+8]


5.a)

Write short notes on distributed mutual exclusion.

b)

Discuss about peer to peer systems.











[7+8]


6.

Explain about working of pastry and tapestry overlays in distributed systems.

[15]



7.

Explain about optimistic concurrency control mechanism in distributed system. [15]



8.a)

Explain in detail about Kerberos.

b)

Write a note on digital signatures.











[7+8]






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