JNTU B.Tech II Semester Examinations, MIDDLEWARE TECHNOLOGIES, Aug/Sep 2008

JNTU B.Tech II Semester Examinations, MIDDLEWARE TECHNOLOGIES, Aug/Sep 2008

(Information Technology)

Time: 3 hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

SET-III

 

1. Explain how Banking application works in Client/Server environment. [16]

 

2. Explain the Distributed Object Model. [16]

 

3. (a) What is the difference between “is-a” and “has-a” relationship. Explain with

an example.

(b) How do you control accessibility when inheritance is used. [8+8]

 

4. What is the meaning of Custom Attributes. What is the use of custom attributes.

Explain with an example. [16]

 

5. (a) What constitutes the CORBA object name.

(b) Mention the IDL definition of a CORBA name.

(c) Write about HTML Applet Tag and what can you do with CORBA enabled

applet. [5+5+6]

 

6. Explain the CORBA constructed types with suitable examples. [8+8]

 

7. (a) Write about customizer interface.

(b) Write a program which implements simple Smiley JavaBean. [8+8]

 

8. (a) State the usage of Java Naming and Directory Interface (JNDI).

(b) Write briefly what an EJB can expect from their containers. [8+8]

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