1
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
MCA SEMESTER IV • EXAMINATION WINTER 2018
Subject Code: 2640002 Date:19/11/2018
Subject Name: Web Technology and Application Development
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1

Answer the Following
1. What is the extension of the external javascript file?
2. Which attribute is used to set the visibility of any form element?
3. 500-599 represent which type of errors?
4. setMaxAge() method of Cookie class takes as parameter.
5. getParameter() method of HttpServletRequest class takes as parameter.
6. Which tag is used to declare listeners in the deployment descriptor?
7. What is purpose of load-on-startup element in web.xml file?
07

Answer the Following
1. Status code 200 means successful execution. (True False)
2. What is the purpose of auth-method tag?
3. What is the purpose of security-constraint tag?
4. What is the purpose of URL rewriting?
5. c:out tag is similar to scripting expression. (True False)
6. c:when tag is used with c:choose tag. (True False)
7. Which method is used to get the length of the content in post request?
07
Q.2

List the life cycle methods of servlet. Also discuss each of them.
07

List request headers. Discuss any 4 of them.
07
OR

What is status code? What are the different ranges of status codes? Discuss any five status code in brief.
07
Q.3

Give the names of JSP directives. Discuss all attributes of JSP page directives.
07

Discuss the sending and receiving of cookies between the client and the server.
07
OR
Q.3

List down the Cookie attributes and discuss any 4 of them.
07

Explain usage of <jsp:usebean> <jsp:setProperty> and <jsp:getProperty> with suitable example.
07
Q.4

What is Declarative security? Discuss the steps for providing Form-Based Authentication.
07

1. Differentiate between <jsp:forward> and <jsp:include>.
2. What is the full form of EL? How can EL be deactivated for multiple JSP pages?
03
04
OR
Q.4

Discuss how MVC architecture can be implemented using RequestDispatcher.
07

What is PreparedStatement? Discuss its advantages and disadvantages.
07
Q.5

What is JSTL? Discuss usage of c:out, c:forEach, c:forTokens, c:if ,c:choose Tags with example.
07
2

Discuss how a custom tag can be created.
07
OR
Q.5

What are filters? Explain the steps for creating a filter that will be called for all servlets using suitable example.
07

Discuss the steps for creating a listener which will listen to session creation and destruction.
07