Download JNTUA MCA 2018 July Reg-Supply 4th Sem 9F00405a Distributed Systems Question Paper

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MCA IV Semester Regular & Supplementary Examinations May 2018

DISTRIBUTED SYSTEMS

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(For students admitted in 2011 (LC), 2012, 2013, 2014, 2015 & 2016 only)

Time: 3 hours Max. Marks: 60

Answer any FIVE questions

All questions carry equal marks

1. Explain in detail about internet protocols in a distributed system.

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2. Explain external data representation and marshaling in detail.
3. Explain the API for the internet protocols.
4. What is ‘Registry’ in Java RMI?
5. Give an overview on remote method invocation. What are the differences between RPC and RMI?
6. What are the different server threading architecture? How the performance of a thread is measured?

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7. List and explain the requirements of distributed file system.
8. Explain in detail about file service architecture.
9. Write about the name services and domain name system.
10. Give an example and explain Nested-transaction.
11. Define cryptography. What are the uses of cryptography? Explain the cryptographic algorithms in detail.

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12. Write a short note on digital signatures.
13. Define distributed shared memory. Explain the design and implementation issues.

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