Download JNTUH MCA 4th Sem R15 2020 November 824AF Distributed Systems Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R15 2020 November 824AF Distributed Systems Previous Question Paper

S OCT 2020




R15

Code No: 824AF















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA IV Semester Examinations, October/ November - 2020

DISTRIBUTED SYSTEMS

Time: 2 Hours











Max.Marks:75

Answer any five questions

All questions carry equal marks

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1.

Discuss the challenges in designing distributed systems.







[15]



2.

Discuss about RPC and RMI, also mention the differences between them.

[15]



3.a)

What are the requirements of distributed file system?

b)

Explain about X.500 Directory service.











[15]



4.

Discuss in detail about file service architecture.









[15]

used


5.

Explain the following:



a) Peer to Peer middleware

b) Consensus problem.





[15]


6.

What is an election algorithm? Explain various election algorithms used in distributed
systems.



















[15]



7.

Explain Concurrency control schemes based on timestamp ordering.



[15]


8.

Describe the system model for page ? based DSM.







[15]





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