UPTU Computer Engineering (Semester 7)
Distributed Systems
December 2010
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1(a) Consider an International multiplex movie house having branches in all over world, discuss its design of distributed database with type of fragmentation and allocation strategy.
7 M
1(b) List and briefly explain advantages of Distributed database with centralized approach.
7 M

2(a) Give comparison of all architecture for distributed DBMS with its application.
7 M
Solve any one question from Q.2(b) & Q.2(c)
2(b) Explain top-down design process in detail.
7 M
2(c) Explain Client Server architecture for Distributed DBMS.
7 M

Solve any one question from Q.3 & Q.4
3(a) Explain, Min term predict, COM_MIN and PHORIZONTAL algorithm in context of horizontal fragmentation.
7 M
3(b) Explain views in centralized DBMSs with examples.
7 M

4(a) Explain AA matrix, CA matrix and BEA algorithm in context of vertical fragmentation.
7 M
4(b) What is distributed integrity Assertion ? Explain any one assertion with example.
7 M

Solve any one question from Q.5 & Q.6
5(a) Explain layers of query processing.
7 M
5(b) Explain Elimination of redundancy and rewriting in the context of query decomposition.
7 M

6(a) Explain Centralized query optimization.
7 M
6(b) What are the various types of networks? Explain in detail.
7 M

Solve any one question from Q.7 & Q.8
7(a) Explain distributed cost model with example.
7 M
7(b) Briefly describe the characterization of query processors.
7 M

8(a) Differentiate 1) Data warehousing Vs Distributed Database
2) Distributed Processing Vs Cooperative Processing
7 M
8(b) Explain reduction in primary horizontal fragmentation for localization of distributed data.
7 M



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