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

Download JNTU Anantapur (JNTU Anantapur) Master of Computer Applications (MCA) 2018 June-July Regular Supply 4th Sem 9F00405a Distributed Systems Previous Question Paper

Code: 9F00405a


MCA IV Semester Regular & Supplementary Examinations May 2018
DISTRIBUTED SYSTEMS
(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
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1 Explain in detail about internet protocols in a distributed system.

2 (a) Explain external data representation and marshaling in detail.
(b) Explain the API for the internet protocols.

3 (a) What is ?Registry? in Java RMI?
(b) Give an overview on remote method invocation. What are the differences between RPC and
RMI?

4 (a) What are the different server threading architecture?
(b) How the performance of a thread is measured?

5 (a) List and explain the requirements of distributed file system.
(b) Explain in detail about file service architecture.

6 (a) Write about the name services and domain name system.
(b) Give an example and explain Nested transaction.

7 (a) Define cryptography. What are the uses of cryptography? Explain the cryptographic algorithms in
detail.
(b) Write a short note on digital signatures.

8 Define distributed shared memory. Explain the design and implementation issues.

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