Servlet Quiz

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Question 1

In which file do we define a servlet mapping?

A	web.xml
B	servlet.xml
C	mapping.xml
D	deployment.xml

Question 2

Servlets and JavaServer Pages have become so popular that they are now supported directly or with third-party plug-ins by most major Web servers and application servers.

A	true
B	false
C	can not say
D	None of these

Question 3

What is the limit of data to be passed from HTML when doGet() method is used?

A	1k
B	2k
C	4k
D	8k

Question 4

The tasks – authentication-blocking of requests, data compression, logging and auditing – are performed by

A	servlet filter
B	servlet config
C	servlet context
D	servlet container

Question 5

Which of the following can be used to store client side user state information while avoiding any impact due to the users web browser configuration ?

A	Cookies
B	URL rewriting
C	HttpSessions
D	Hidden tags

Question 6

Which of the following is not true about Servlets?

A	They are instantiated every time a request is made.
B	They are a mechanism used by the class loader to download applets.
C	They can be used instead of CGI scripts.
D	They require a web browser that supports JDK 1.1

Question 7

Dynamic interception of requests and responses to transform the information is done by

A	servlet filter
B	servlet context
C	servlet config
D	servlet container

Question 8

The include() method of RequestDispatcher

A	includes resource of file like servlet, jsp or html
B	sends a request to another resource like servlet, jsp or html
C	appends the request and response objects to the current servlet
D	None of the above

Question 9

Using relative paths to reference resources in the same context root makes your Web application more flexible.

A	false
B	true
C	can't say
D	None of the above

Question 10

What is the servlet ?

A	Client side program
B	Server side program
C	Both are true
D	None of these

Question 11

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

Question 12

Which of the following describe ways that dynamic information can be made available to all servlet requests sent to an application

A	Make the information available from a singleton
B	Store the information in the ServletContext
C	Store the information in an HttpSession
D	Store the information in a Properties file

Question 13

Choose correct ansewrs

1. Servlet is a  Java technology based Web component.
2. Servlets are platform-independent 
3. Servlet has run on Web server which has a containers
4. Servlets interact with Web clients via a request/response using HTTP protocol.

A	1,2,3,4
B	1,2,3
C	1,3,4
D	1,2,4

Question 14

The life cycle of a servlet is managed by

A	servlet context
B	servlet container
C	the supporting protocol (such as http or https)
D	all of the above

Question 15

All servlets must implement the Servlet interface of package:

A	java.servlet
B	javax.servlet
C	.servlet
D	All are same

Question 16

Servlet A receives a request that it forwards to servlet B within another web application in the same web container. Servlet A needs to share data with servlet B and that data must not be visible to other servlets in A's web application. In which object can the data that A shares with B be stored?

A	HttpServletResponse
B	HttpServletRequest
C	ServletContext
D	HttpSession

Question 17

Servlet mapping defines

A	an association between a URL pattern and a servlet
B	an association between a URL pattern and a request page
C	an association between a URL pattern and a response page
D	All of the above

Question 18

A developer wants a web application to be notified when the application is about to be shut down. Which two actions are necessary to accomplish this goal? (Choose two.)

A	include a listener directive in a JSP page
B	configure a listener in the TLD file using the element
C	include a element in the web application deployment descriptor
D	configure a listener in the application deployment descriptor, using the element
E	include a class implementing ServletContextListener as part of the web application deployment

Question 19

The getSession() method with ‘true’ as its parameter [ getSession(true) ] it will return the appropriate session object when

A	the session is completed
B	the session object is passed to another method
C	the session does not exists
D	the session is existing

Question 20

Which three are true about the HttpServletRequestWrapper class? (Choose three.)

A	The HttpServletRequestWrapper is an example of the Decorator pattern.
B	The HttpServletRequestWrapper can be used to extend the functionality of a servlet request.
C	A subclass of HttpServletRequestWrapper CANNOT modify the behavior of the getReader method.
D	An HttpServletRequestWrapper may be used only by a class implementing the javax.servlet.Filter interface.
E	An HttpServletRequestWrapper may modify the header of a request within an object implementing the javax.servlet.Filter interface.

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