2010 Jawaharlal Nehru Technological University, Hyderabad M.C.A JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD MCA-IV Semester Regular Examinations July/August 2010 DISTRIBUTED OPERATING SYSTEMS Question paper
Code No: 47
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA-IV Semester Regular Examinations July/August 2010
DISTRIBUTED OPERATING SYSTEMS
Time: 3hours Max.Marks:60
Answer any Five questions
All questions carry equal Marks
- - -
1.a) Describe the hardware and software requirements for designing a distributed
system.
b) Explain the advantages and limitations of distributed systems.
2.a) Write a brief notes on ATM networks. Also list the merits and limitations.
b) Write a brief notes on remote procedure calls and group communication.
3.a) Describe the following:
i) Bully algorithm
ii) Ring algorithm.
b) What are atomic transactions? Describe them with suitable illustrations.
4.a) What are threads? Describe their significance.
b) Write a brief notes on dead lock prevention in distributed systems.
c) Explain briefly about scheduling in distributed systems.
5.a) Describe the issues in implementing the distributed file systems.
b) Describe the design issues for designing distributed file systems.
6.a) What is a shared memory? Explain about page based distributed shared memory.
b) Write a brief notes on object based distributed shared memory.
7. Write a brief notes on the following:
a) UNIX emulation in MACH
b) Process management in MACH
8. Write a brief notes on the following:
a) Security service in DCE
b) Directory service in DCE
c) DCE threads.
KEYWORDS:DISTRIBUTED OPERATING SYSTEMS,DISTRIBUTED OPERATING SYSTEMS QUESTION PAPER,JNTU,JNTU QUESTION PAPER,JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD MCA-IV DISTRIBUTED OPERATING SYSTEMS
Code No: 47
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA-IV Semester Regular Examinations July/August 2010
DISTRIBUTED OPERATING SYSTEMS
Time: 3hours Max.Marks:60
Answer any Five questions
All questions carry equal Marks
- - -
1.a) Describe the hardware and software requirements for designing a distributed
system.
b) Explain the advantages and limitations of distributed systems.
2.a) Write a brief notes on ATM networks. Also list the merits and limitations.
b) Write a brief notes on remote procedure calls and group communication.
3.a) Describe the following:
i) Bully algorithm
ii) Ring algorithm.
b) What are atomic transactions? Describe them with suitable illustrations.
4.a) What are threads? Describe their significance.
b) Write a brief notes on dead lock prevention in distributed systems.
c) Explain briefly about scheduling in distributed systems.
5.a) Describe the issues in implementing the distributed file systems.
b) Describe the design issues for designing distributed file systems.
6.a) What is a shared memory? Explain about page based distributed shared memory.
b) Write a brief notes on object based distributed shared memory.
7. Write a brief notes on the following:
a) UNIX emulation in MACH
b) Process management in MACH
8. Write a brief notes on the following:
a) Security service in DCE
b) Directory service in DCE
c) DCE threads.
KEYWORDS:DISTRIBUTED OPERATING SYSTEMS,DISTRIBUTED OPERATING SYSTEMS QUESTION PAPER,JNTU,JNTU QUESTION PAPER,JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD MCA-IV DISTRIBUTED OPERATING SYSTEMS