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1997 Course Object Oriented Components & Systems (Elective II)

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Total No. of Questions : 10] P1116 [Total No. of Pages : 2 [3664]-92 B.E. (Computer) OBJECT ORIENTED COMPONENTS AND SYSTEMS (1997 Course) (Elective - II) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer any three questions from each section. 2) Answers to the two sections should be written in separate books. 3) Neat diagrams must be drawn wherever necessary. 4) Assume suitable data, if necessary. SECTION - I Q1) a) Every application has presentation, logic, data. Draw a neat diagram to explain how one can partition this into client and server side. [6] b) Explain N-tier model in client/server architecture. State its advantage and disadvantages. [6] c) What are Java Beans? How are they useful? Q2) a) Discuss any four desired characteristics of a super component. b) What are object wrappers, explain with examples. [4] [6] [4] c) How IDL helps to generate stubs, skeletons and proxies? Explain with labelled diagram. [6] Q3) a) Explain the architecture of CORBA with neat diagram. [8] b) What are CORBA services and CORBA facilities. [8] Q4) a) Discuss the concept of TPmonitor, CORBA OTS. [8] b) With the help of suitable diagram explain three tier client/server architecture with an ORB middleware. [8] Q5) Write short notes on any three : [18] a) RMI. b) XML. c) IIOP/GIOP. d) Apartments in COM/DCOM. e) Web & distributed objects. P.T.O. SECTION - II Q6) a) In context of components explain : i) ii) [6] Need for binary standard. Licensing. b) In banking domain for a loan application identify any two suitable components and the interfaces and give their descriptions. [6] c) How do components and interfaces encourage reusability? [4] Q7) a) Compare C++ and Java as OOPL and a web development languages.[8] b) In J2EE architecture discuss need for technologies like RMI and JDBC. [8] Q8) Explain the concept and need for the following : [16] a) Thread. b) Naming services. c) GUID. d) Class factories. Q9) a) Explain the following standard marshalling architecture : i) ii) Stub architecture. Proxy architecture. b) Explain the given terms & concepts : i) ii) [16] Polymorphism. JDBC-ODCBC. Q10) Write short notes on any three : [18] a) MVC architecutre. b) Security in distributed systems. c) Active-X, OLE and COM. d) Window Registry. xxxx [3664]-92 [16] 2

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