aos question bank(unit ii)

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Aos Question Bank(Unit II)

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DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERINGCP7204 / ADVANCED OPERATING SYSTEMS ACADEMIC YEAR: 2013-2014 BATCH: 2013-2015DEGREE&BRANCH: M.E. & CSE

YEAR / SEMESTER: I / 02II UNIT

PART - A

1. What are the advantages of Distributed OS over time-sharing systems ?2. List the issues in Distributed OS.

3. List the design issues in RPC.4. What is the limitation of Lamports clocks?5. What is a Local and Global state?

6. What are the requirements of Mutual exclusion algorithm?

7. What is an centralized and distributed control?

8. Define an path-pushing algorithm.

9. What is an Edge-Chasing algorithm?10. What is the key point in Ho-Ramamoorthy algorithm?

11. What is the Byzantine Agreement problem?

12. Define Impossibility result?

PART-B1. Briefly explain Distributed OS with its architecture diagram.

(16)2. Discuss in detail Lamports logical clocks.

(16) 3. Explain the distributed mutual exclusion algorithms.

(16)4. Explain briefly Agreement protocols with suitable examples.

(16)

FACULTY INCHARGE

HOD

PRINCIPAL