R05321203-middleware-technologies

Set No. 1

Code No: R05321203

III B.Tech II Semester Supplimentary Examinations, Aug/Sep 2008 MIDDLEWARE TECHNOLOGIES (Information Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. Explain how Client, Server, and Network capability has increased over the years. [16] 2. Explain in detail about JDBC Result set interface.

[16]

3. What are the components of an assembly structure? How do you organize them? Explain them. [16] 4. (a) What are the constraints that can be set on a table using ADO .NET. (b) How XML schemas can be used for data access.

[6+10]

5. (a) What are the different ways to invoke CORBA methods? Distinguish between them. (b) Explain how client programs obtain object reference. (c) Write about HTML applet tag.

[6+5+5]

6. Explain about the following: (a) CORBA::NamedValue Mapping (b) CORBA::Request Mapping (c) CORBA::DSI Mapping (d) CORBA::TypeCode.

[4×4]

7. (a) Write about Object aggregation/delegation and Drag and drop support of JDK 1.2. (b) Explain about ObjectInputStream classes.

[8+8]

8. (a) When does a transactional session bean implement SessionSynchronization interface? (b) Discuss the typical characteristics of an Entity Bean. ⋆⋆⋆⋆⋆

1 of 1

[8+8]

Set No. 2

Code No: R05321203

III B.Tech II Semester Supplimentary Examinations, Aug/Sep 2008 MIDDLEWARE TECHNOLOGIES (Information Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. (a) How Heterogeneity exists in Client/Server environment. (b) Explain different Client/Server applications. 2. Explain in detail about JDBC Result set interface.

[8+8] [16]

3. (a) How reusable software components can be created using objects. (b) What is the meaning of state and behavior of an object. Explain. 4. How do you access data using ADO.NET.

[10+6] [16]

5. (a) State the advantages offered by CORBA ORB. (b) Write about the process of creating a Namespace.

[8+8]

6. (a) Show the CORBA::ORB Initialization methods and their Java Mapping. (b) Discuss about the implementation repository.

[8+8]

7. (a) Define JAR and list the benefits offered by JAR. (b) Explain the structure of a manifest file. 8. Give the overview of an EJB architecture. ⋆⋆⋆⋆⋆

1 of 1

[8+8] [16]

Set No. 3

Code No: R05321203

III B.Tech II Semester Supplimentary Examinations, Aug/Sep 2008 MIDDLEWARE TECHNOLOGIES (Information Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 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. ⋆⋆⋆⋆⋆

1 of 1

[8+8]

Set No. 4

Code No: R05321203

III B.Tech II Semester Supplimentary Examinations, Aug/Sep 2008 MIDDLEWARE TECHNOLOGIES (Information Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. (a) How failure of some of computers and network links affects performance of network. (b) What are the reasons for changing from Centralized computing to Distributed computing? [6+10] 2. (a) What is Stub compiler? What is its use? How it works. (b) Write a brief note on JDBC Date and Time classes.

[6+10]

3. (a) What is the difference between making data protected and making data private but making methods access private data. Which one is better and why. (b) Data can be accessed directly or you can use get and set accessor methods to access data. Give the pros and cons of each of them. [8+8] 4. What is the meaning of Custom Attributes. What is the use of custom attributes. Explain with an example. [16] 5. (a) Explain any two different scenarios of Dynamic Invocation. (b) Write the advantages offered by Dynamic method invocation.

[8+8]

6. (a) Show the CORBA::ORB Initialization methods and their Java Mapping. (b) Discuss about the implementation repository. 7. Explain a property editing scenario.

[8+8] [8+8]

8. (a) What happens in the major transition ”From pool to active state” in the life of an EJB instance. (b) What constitutes the ejb-jar file. ⋆⋆⋆⋆⋆

1 of 1

[8+8]