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Posted By: Sra1 Member Level: Diamond Posted Date: 02 Jun 2008
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2008 Jawaharlal Nehru Technological University Information Technology MIDDLEWARE TECHNOLOGIES (III B.Tech II Semester Regular Examinations, Apr/May 2008) Question paper
Set No 4
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III B.Tech II Semester Regular Examinations, Apr/May 2008
MIDDLEWARE TECHNOLOGIES
(Information Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
* * * * *
1. What exactly is the meaning of Centralized computing and Distributed computing. Explain the advantages and disadvantages of both the environments. [16]
2. (a) RMI directly integrates a distributed object model into the JAVA language. Comment.
(b) What is the relation between Class and Interface? Do the RMI Clients interact with interfaces or with Classes? Why. [10+6]
3. What is Event. How events are generated and received. [16]
4. (a) How do you define attributes. How do you read and store attributes. What is the significance of attributes.
(b) What are the predefined attributes of C#. How do you develop custom attributes. [8+8]
5. (a) Define
i. Module
ii. Operation.
(b) How transparency is provided when CORBA program is run locally/remotely
(c) Explain Applet with its life cycle. [5+5+6]
6. (a) Discuss in brief about core CORBA interfaces.
(b) Write in detail about Trader Service. [8+8]
7. Give a brief notes on the interfaces and classes provided by java.beans package. [16]
8. Discuss and explain different EJB deployment classes with their methods. [16]
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