Question 1

Which attribute is used to hold the Java Script Version?
A) SCRIPT
B) VERSION
C) LANGUAGE
D) VER

Accepted Answer

The "LANGUAGE" attribute was used in HTML to indicate the scripting language (such as JavaScript) version. However, it is considered deprecated in favor of type attributes in modern HTML.

Question 2

JavaScript RegExp Object has modifier 'i' to __________
A) Perform case-sensitive matching
B) Perform case-insensitive matching
C) Perform both case-sensitive&case-insensitive matching
D) None of above

Accepted Answer

The 'i' modifier is used to perform case-insensitive matching in JavaScript RegExp, meaning it ignores the case of the characters when matching.

Question 3

How many ServletContext objects are available for an entire web application?
A) One each per servlet
B) One each per request
C) One each per response
D) Only one

Accepted Answer

There is only one ServletContext object available for the entire web application. This object is created when the application is started and is destroyed when the application is shut down. It is shared by all components of the application.

Question 4

Which of the following delegates the request handling to the RequestProcessor instance?
A) ActionServlet
B) Action class
C) Deployment descriptor
D) None of the above

Accepted Answer

ActionServlet is responsible for delegating request handling to the RequestProcessor instance in the Struts framework.

Question 5

How many instances can be created per application module by the RequestProcessor class?
A) Four
B) Three
C) One
D) Uncountable instances

Accepted Answer

The RequestProcessor class is designed to create only one instance per application module, ensuring a singleton pattern for handling requests within that module.

Question 6

An instance of Action is invoked by
A) ActionServlet
B) ActionListener
C) RequestProcessor
D) All of the above

Accepted Answer

An instance of Action in Struts framework is typically invoked by the RequestProcessor, which is responsible for handling the request and determining the appropriate Action to execute.

Question 7

Application module selection is done by
A) Action class
B) ActionServlet
C) RequestProcessor
D) All of the above

Accepted Answer

The answer of Application module selection is done by
A) Action...

Question 8

Which of the following methods is overridden by Action class?
A) execute()
B) service()
C) run()
D) destroy()

Accepted Answer

The Action class in frameworks like Struts overrides the execute() method to process user requests. This method serves as the primary entry point for action classes.

Question 9

Which of the following should always forwards or redirect to a resource (view) after completed?
A) HttpResponse object
B) ActionServlet
C) Action class
D) Request Processor

Accepted Answer

The answer of Which of the following should always forwards...

Question 10

Which of the following acts as a bridge between user-invoked URI and a business method?
A) HttpRequest
B) Action class
C) ActionServlet
D) RequestProcessor

Accepted Answer

The Action class in frameworks like Struts acts as a bridge between the user-invoked URI and the business method. It processes user requests and calls the appropriate business logic.

Question 11

Struts framework
A) should always decouple the application from a specific model implementation
B) provides model components
C) does not support JavaBeans and EJB
D) has built-in support for the model

Accepted Answer

Struts framework is designed to separate the view from the model, promoting a clear separation of concerns, but it does not provide model components or built-in support for the model. It supports JavaBeans and EJB for model implementation.

Question 12

Which of the following tags in struts-config. xml file defines the availability of necessary Struts JSP custom tag libraries? A) < jsp-lib> B) < struts-taglib> C) < taglib> D) < jsp-taglib>

Accepted Answer

The <taglib> tag in the struts-config.xml file is used to define the availability of necessary Struts JSP custom tag libraries, allowing the application to reference them as needed.

Question 13

Which can generate HTML dynamically on the client but can hardly interact with the web server to perform complex tasks like database access and image processing etc. in JSP?
A) vs. Static HTML
B) vs. Server-Side Includes
C) vs. Pure Servlets
D) Vs. JavaScript

Accepted Answer

JavaScript can generate HTML dynamically on the client side but is limited in performing server-side tasks such as database access and image processing, which are typically handled by server-side technologies like JSP.

Question 14

Which attribute specifies a JSP page that should process any exceptions thrown but not caught in the current page?
A) The ErrorPage Attribute
B) The IsErrorPage Attribute
C) Both A & B
D) None of the above

Accepted Answer

The answer of Which attribute specifies a JSP page that...

Question 15

What technique is used for the authentication mechanism in the servlet specification?
A) Role Based Authentication
B) Form Based Authentication
C) Both A & B
D) None of the above

Accepted Answer

The answer of What technique is used for the authentication...

Question 16

In JSP Action tags which tags are used for bean development?
A) jsp:useBean
B) jsp:setPoperty
C) jsp:getProperty
D) All mentioned above

Accepted Answer

All mentioned above (jsp:useBean, jsp:setProperty, jsp:getProperty) are used for bean development in JSP.

Question 17

Which two interfaces does the javax. servlet. jsp package have?
A) JspPage
B) HttpJspPage
C) PageContext
D) Both A & B

Accepted Answer

The javax.servlet.jsp package includes both the JspPage and HttpJspPage interfaces. JspPage defines the basic protocol between a JSP page implementation class and the runtime environment provided by a JSP container, while HttpJspPage is a subclass of JspPage specifically for HTTP servlets, adding the _jspService method.

Question 18

Which of the following is an advantage of the statement - Separation of business logic from JSP?
A) Custom Tags in JSP
B) JSP Standard Tag Library
C) All the above
D) None of the above

Accepted Answer

The answer of Which of the following is an advantage...

Question 19

JSPs eventually are compiled into Java servlets, you can do as much with JSPs as you can do with Java servlets.
A) True
B) False
C) none
D) all

Accepted Answer

JSPs (JavaServer Pages) are indeed compiled into Java servlets by the server. This means that anything you can do with a servlet, you can also achieve with a JSP, since under the hood, JSPs are converted into servlets before being executed.

Question 20

How many jsp implicit objects are there and these objects are created by the web container that are available to all the jsp pages?
A) 8
B) 9
C) 10
D) 7

Accepted Answer

There are 9 JSP implicit objects created by the web container, available to all JSP pages. These objects are request, response, out, session, application, config, pageContext, page, and exception.

Quiz 4: Java, Servlets, JSP and EJB

Which attribute is used to hold the Java Script Version?

JavaScript RegExp Object has modifier 'i' to __________

How many ServletContext objects are available for an entire web application?

Which of the following delegates the request handling to the RequestProcessor instance?

How many instances can be created per application module by the RequestProcessor class?

An instance of Action is invoked by

Application module selection is done by

Which of the following methods is overridden by Action class?

Which of the following should always forwards or redirect to a resource (view) after completed?

Which of the following acts as a bridge between user-invoked URI and a business method?

Struts framework

Which of the following tags in struts-config. xml file defines the availability of necessary Struts JSP custom tag libraries?

Which can generate HTML dynamically on the client but can hardly interact with the web server to perform complex tasks like database access and image processing etc. in JSP?

Which attribute specifies a JSP page that should process any exceptions thrown but not caught in the current page?

What technique is used for the authentication mechanism in the servlet specification?

In JSP Action tags which tags are used for bean development?

Which two interfaces does the javax. servlet. jsp package have?

Which of the following is an advantage of the statement - Separation of business logic from JSP?

JSPs eventually are compiled into Java servlets, you can do as much with JSPs as you can do with Java servlets.

How many jsp implicit objects are there and these objects are created by the web container that are available to all the jsp pages?