Web Design and Development MCQs with Answers
Practice important Web Design and Development MCQs with answers and explanations.
Chapter: 42
Q641:
What does the ControllerServlet class handle?
A. Database connections
B. User input and search operations
C. Displaying results on the web page
D. User authentication
Correct Answer:
B
Chapter: 42
Q642:
How does the showperson.jsp page retrieve and display person records?
A. By using Java code only
B. By using EL only
C. By combining Java code and EL
D. By using JSTL tags only
Correct Answer:
C
Chapter: 43
Q643:
What type of object is stored in session scope in the given example?
A. A String
B. An ArrayList
C. A PersonInfo object
D. A database connection
Correct Answer:
C
Chapter: 43
Q644:
Which file contains the servlet configuration in the web application?
A. searchperson.jsp
B. showperson.jsp
C. ControllerServlet.java
D. web.xml
Correct Answer:
D
Chapter: 43
Q645:
What does the PersonDAO class do?
A. Handles user interface
B. Manages database connections and queries
C. Displays search results
D. Sets up the web application context
Correct Answer:
B
Chapter: 43
Q646:
What does JSTL stand for?
A. JavaServer Tag Library
B. JavaScript Tag Library
C. JavaServer Pages Standard Tag Library
D. JavaServer Pages Template Library
Correct Answer:
C
Chapter: 43
Q647:
What is the main benefit of using JSTL in JSP pages?
A. Improved database access
B. Scriptlet-free JSP pages
C. Enhanced XML parsing
D. Better performance of JavaScript
Correct Answer:
B
Chapter: 43
Q648:
Which JSTL tag library is used for XML parsing and processing?
A. Core
B. SQL
C. XML
D. Internationalization and formatting
Correct Answer:
C
Chapter: 43
Q649:
What does the c
A. Displays data
B. Sets or updates scoped variables
C. Iterates over a collection
D. Removes scoped variables
Correct Answer:
B
Chapter: 43
Q650:
Which attribute of the c
A. items
B. var
C. begin
D. end
Correct Answer:
C
Chapter: 43
Q651:
How do you include JSTL in a JSP page when using Expression Language (EL)?
A. <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
B. <%@ taglib prefix="c_rt" uri="http://java.sun.com/jsp/jstl/core_rt" %>
C. <%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
D. <%@ taglib prefix="sql" uri="http://java.sun.com/jsp/jstl/sql" %>
Correct Answer:
A
Chapter: 43
Q652:
What is the purpose of the c
A. To set or update variables
B. To display the value of an expression
C. To remove a variable
D. To iterate over a collection
Correct Answer:
B
Chapter: 43
Q653:
How can you iterate over a collection using c
A. Use the items attribute
B. Use the var attribute
C. Use the end attribute
D. Use the scope attribute
Correct Answer:
A
Chapter: 44
Q654:
What is the default scope of a variable created using the c
A. request
B. page
C. session
D. application
Correct Answer:
B
Chapter: 44
Q655:
What is the purpose of client-side validation?
A. Saves time and bandwidth
B. Makes form submission faster
C. Reduces server load
D. Increases form complexity
Correct Answer:
A
Chapter: 44
Q656:
Which scripting language is commonly used for client-side validation?
A. JavaScript
B. VBScript
C. Python
D. Ruby
Correct Answer:
A
Chapter: 44
Q657:
What happens if the name field is left empty in the provided JavaScript validation example?
A. Form is submitted
B. An alert is displayed
C. Form is cleared
D. Page reloads
Correct Answer:
B
Chapter: 44
Q658:
In JavaScript validation, how is a negative age value handled in the example provided?
A. Allowed
B. Ignored
C. An alert is displayed
D. Value is converted to positive
Correct Answer:
C
Chapter: 44
Q659:
Which framework simplifies building user interfaces for web applications according to the content?
A. Struts
B. JavaServer Faces (JSF)
C. Tapestry
D. Swing
Correct Answer:
B
Chapter: 44
Q660:
What is a disadvantage of the Struts framework mentioned in the content?
A. It lacks UI tags
B. It is too simple
C. It is not Java programmer-centric
D. It is not open-source
Correct Answer:
A