Exam Details
| Subject | distributed operated system | |
| Paper | ||
| Exam / Course | m.tech | |
| Department | ||
| Organization | Institute Of Aeronautical Engineering | |
| Position | ||
| Exam Date | January, 2018 | |
| City, State | telangana, hyderabad |
Question Paper
Hall Ticket No Question Paper Code: BCS004
INSTITUTE OF AERONAUTICAL ENGINEERING
(Autonomous)
M.Tech II Semester End Examinations (Supplementary) January, 2018
Regulation: IARE-R16
DISTRIBUTED OPERATED SYSTEM
(Computer Science and Engineering)
Time: 3 Hours Max Marks: 70
Answer ONE Question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
UNIT I
1. Explain the Flynns taxonomy of parallel and distributed computer systems.
Explain five different classes of failures that can occur in RPC systems.
2. Explain different kinds of transparency in a distributed system.
Differentiate between closed group communication with open group communication protocols.
UNIT II
3. Illustrate with an example how Lamport's algorithm synchronises the logical clocks in
distributed systems.
Explain the concept of wait-die and wound-wait deadlock prevention algorithms to prevent
distributed deadlock.
4. Illustrate different phases of bully algorithm in electing a leader by taking an example.
Explain different steps in Chandy-Misra-Haas distributed deadlock detection algorithm.
UNIT III
5. Briefly explain different ways to implement a threads package.
What is naming transparency? Explain different ways of dealing with the shared files in a
distributed system.
6. Briefly discuss the advantages and disadvantages of usage of private disks in a workstation.[7M]
Explain various ways of doing caching in client memory.
UNIT IV
7. Explain different states of a cache block in caching.
Briefly discuss different classes of variables defined by Munin during software implementation of
release consistency.
Page 1 of 2
8. Discuss different consistency models using synchronization operations and consistency models
not using synchronization operations.
Explain different ownership location protocols using a central manager.
UNIT V
9. Discuss the five principle abstractions managed by the Mach microkernel.
Illustrate the working principle of copy-on-write in Mach microkernel-based operating system.
10. Explain different process management primitives provided by Mach microkernel-based operating
system.
List and Illustrate different principal message types that the kernel sends to memory managers.
INSTITUTE OF AERONAUTICAL ENGINEERING
(Autonomous)
M.Tech II Semester End Examinations (Supplementary) January, 2018
Regulation: IARE-R16
DISTRIBUTED OPERATED SYSTEM
(Computer Science and Engineering)
Time: 3 Hours Max Marks: 70
Answer ONE Question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
UNIT I
1. Explain the Flynns taxonomy of parallel and distributed computer systems.
Explain five different classes of failures that can occur in RPC systems.
2. Explain different kinds of transparency in a distributed system.
Differentiate between closed group communication with open group communication protocols.
UNIT II
3. Illustrate with an example how Lamport's algorithm synchronises the logical clocks in
distributed systems.
Explain the concept of wait-die and wound-wait deadlock prevention algorithms to prevent
distributed deadlock.
4. Illustrate different phases of bully algorithm in electing a leader by taking an example.
Explain different steps in Chandy-Misra-Haas distributed deadlock detection algorithm.
UNIT III
5. Briefly explain different ways to implement a threads package.
What is naming transparency? Explain different ways of dealing with the shared files in a
distributed system.
6. Briefly discuss the advantages and disadvantages of usage of private disks in a workstation.[7M]
Explain various ways of doing caching in client memory.
UNIT IV
7. Explain different states of a cache block in caching.
Briefly discuss different classes of variables defined by Munin during software implementation of
release consistency.
Page 1 of 2
8. Discuss different consistency models using synchronization operations and consistency models
not using synchronization operations.
Explain different ownership location protocols using a central manager.
UNIT V
9. Discuss the five principle abstractions managed by the Mach microkernel.
Illustrate the working principle of copy-on-write in Mach microkernel-based operating system.
10. Explain different process management primitives provided by Mach microkernel-based operating
system.
List and Illustrate different principal message types that the kernel sends to memory managers.
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