Shivaji University 2006 B.E Computer Science .( - exam paper
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No.
B.E. (C.S.E.) (Part -1) Examination, 2006 DISTRIBUTED SYSTEMS (New)
Day and Date: Tuesday, 9-5-2006 Time: 3.00 p.m. to 6.00 p.m.
Max. Marks: 100
Instructions: 1) Attempt any three questions from each section.
2) Figures to right indicates fuU marks,
SECTION -1
-"Explain goals of distributed systems.
1.
8
W-Explain application layering in the client server model. 8
2. (Qrjr Explain steps involved in a doing remote computation through RPC. 8
is Remote object invocation ? Explain common organization of remote object with client side proxy. 8
3.) Explain implementation of threads package. 9
J What is an object adapter ? Mention some design issues for an object ' adapter that is used to support persistent objects. 8
4. a) Why clock synchronization is required in distributed systems ? Explain
clock synchronization algorithms. 9
b) Define ACID properties of transactions. How transactions are implemented ?8
SE0TI@N - II
5. aXExplain basic architecture of sun microsystems Network file system. 8
b) Explain caching and replication in coda file system. How replication is implemented in coda ?
8
6. a) Explain plan 9 distributed file system. 8 b) Explain general organization of lotus notes system and document model. 8
*
7. a) Explain security and access control in lotus notes system. 8
4
b) What is Javaspace ? Explain general organization of Javaspace in Jini. 8
r
8. a) Explain design goals and main features of Mach. 9 b) Explain key abstractions used in the design of chorus. 9
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Earning: Approval pending. |