BE-CSE/DCS 511602-611601 J2EE Sathyabama University November 2010

Register Number

                               

SATHYABAMA UNIVERSITY

(Established under section 3 of UGC Act, 1956)

Course & Branch: B.E-CSE/DCS

Title of the Paper: J2EE                                         Max. Marks: 80

Sub. Code: 511602-611601                                    Time: 3 Hours

Date: 18/11/2010                                                    Session: AN

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PART - A                (10 X 2 = 20)

Answer ALL the Questions

1.     What is meant by Naming Services?

2.     Define connection pooling.

3.     Draw the servlet life cycle.

4.     How is a servlet to a servlet communication done?

5.     Define servlet chaining. Highlight its use.

6.     What is the need for using cookies?

7.     Identify the advantages of JSP over Servlet.

8.     What types of comments are available in the JSP?

9.     How do you check whether the session in active in Stateful session bean?

10.   Define SOAP and mention its use.

    PART – B                   (5 x 12 = 60)

Answer All the Questions

11.   Explain the J2EE Architecture in detail. Also explain how the directory services are implemented in J2EE.

(or)

12.   With a complete example, explain how the database connection is established. Also explain with an example, how the SQL statements are created and executed.

       

13.   Explain the servlet to servlet communication with an example. Also explain how the security is supported by the servlets?

(or)

14.   Define a web application. Explain the types of web application. Explain the web application life cycle in detail. Also write a pseudocode for developing a simple web application.

15.   Define session tracking. Explain the session lifecycle API. Illustrate the HTTP session interface with an example. Also highlight the importance of using the servlet collaboration.

(or)

16.   Describe the RequestDispatcher mechanism in servlets. Write a servlet code to create a request dispatcher. Write servlet code to forward or include the target resource; and identify and describe the additional request-scoped attributes provided by the container to the target resource.

17.   Explain the design strategies for a JSP. Explain the JSP TAG Extensions. Explain how to write a simple TAG with an example.

(or)

18.   What is a Java Mail API? Explain the main protocols used with Java in detail.

19.   (a) Explain the EJB container services in detail.

        (b) With a neat sketch, explain the EJB architecture in detail.

(or)

20.   Explain the following in detail with examples.

                (a) UDDI

                (b) JAXP

                (c) JAXB

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