Advanced Internet Technologies Suresh gyan vihar university mca

Q.1.     Write answers for any two questions from below. (5 marks each – Word limit – 500)

 

A. Demonstrate about javax.sql package in detail. Briefly write on Sharing Data between JSP

pages and Requests.

 

B. Write the java servlet program that retrieves the date and time of the previous session and explain.

 

C. Write a client server jsp program to find simple interest and display the result in the client.

 

 

 

 

Ans A:

 

javax.sql package: This package provides the APIs for accessing and processing data which is stored in the database especially relational database by using the java programming language. It includes a framework where we different drivers can be installed dynamically to access different databases especially relational databases.

 

This java.sql

 

 

 

Ans c.

 

 

Server jsp program to find simple interest:

 

<%--

    Document   : interest

    Created on :

    Author     :

--%>

 

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Q.2. Write short notes on all of the following topics (1 mark each - Word limit - 100)

 

A. Bin Directory

 

B. What is the purpose of php.ini file?

 

C. math function

 

D. For what purpose destroy

 

E. What are the different web servers you know?

 

 

Ans 1.

 

 

A. Bin Directory: bin is a standard subdirectory of the root directory in Unix-like operating systems that contains the executable (i.e., ready to run) programs that must be available in order to attain minimal functionality for the purposes of booting (i.e., starting) and repairing a system.

 

The root directory,

 

 

 

		INTERNAL ASSIGNMENT - 2
Course	MCA	Advanced Internet Technologies
Semester	5
Total Marks:	15

 

 

 

 

Q.1. Write answers for any two questions from below. (5 marks each – Word limit – 500)

 

A. Describe in detail the lifecycle of a servlet.

A servlet life cycle can be defined as the entire process from its creation till the destruction. The following are the paths followed by a servlet.

 

·         The servlet is

B. Write a short note on: a. Thread safe servlets b. ServletContext and ServeletConfig c. GenericServlet and HTTPServlet

 

a. Thread safe servlets:

Each servlet request is served by one instance of servlet (Generally speaking) so separate thread is created by container for entertaining each request and servlet container may send concurrent requests through the service method of the servlet. So in order to handle the requests concurrently, if the Servlet Developer make adequate provisions for concurrent processing with multiple threads in the service method then

 

 

C. Write short notes on: a. HTTP request and HTTP response b. GET and POST c. Pattern matching in Perl

 

 

 

 

 

 

Q.2. Write short notes on all of the following topics (1 mark each - Word limit - 100)

 

A. How does a servlet communicate with a JSP page?

 

B. WebApplicationContext

 

C. Config object

 

D. Write HTTPS vs HTTP.

 

E. Conf Directory

 

 

Ans:

 

A. How does a servlet communicate with a JSP page:

 

Servlet JSP Communication:

getServletConfig().getServletContext().getRequestDispatcher(“jspfilepathtoforward”).forward(request, response);

The above line is essence of the answer for “How does a servlet communicate with a JSP page?”

 

When a servlet