Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R15 2018 January 824AF Distributed Systems Previous Question Paper
R15
Code No: 824AF
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA IV Semester Examinations, January - 2018
DISTRIBUTED SYSTEMS
Time: 3hrs
Max.Marks:75
Note: This question paper contains two parts A and B.
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists
of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and
may have a, b, c as sub questions.
PART - A
5 ? 5 Marks = 25
1.a) Explain about interprocess communication.
[5]
b) What is thread? Differentiate thread and process.
[5]
c) Write down the features of squirrel system.
[5]
d) What are the drawbacks of locking? Explain.
[5]
e) Discuss about CORBA services.
[5]
PART - B
5 ? 10 Marks = 50
2.a)
What is firewall? Explain.
b)
Discuss about RPC in distributed environment.
[5+5]
OR
3.
Explain various architectures of distributed system.
[10]
4.a)
Write a short notes on operating system features in distributed systems.
b)
Explain about X.500 directory service.
[5+5]
OR
5.
Explain the following.
a) Virtual file system
b) Client caching.
[5+5]
6.a)
Write a short notes on distributed debugging.
b)
Discuss about peer to peer middleware.
[5+5]
OR
7.a)
Discuss about napster system.
b)
What are the tasks of routing overlays?
[5+5]
8.a)
Explain about distributed deadlocks.
b)
Discuss about system model and group communication.
[5+5]
OR
9.a)
Explain about replication in distributed systems.
b)
Write a short notes on fault tolerant services in distributed systems.
[5+5]
10.a) Write a short notes on digital signatures.
b) Explain about TLS.
[5+5]
OR
11.a) Discuss about distributed shared memory.
b) Explain in detail about CORBA RMI.
[5+5]
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This post was last modified on 17 March 2023