Deck 3: Servlets and JSPS

Question 1

Which of the following is true about servlets?

A)Servlets execute within the address space of web server
B)Servlets are platform-independent because they are written in java
C)Servlets can use the full functionality of the Java class libraries
D)Servlets execute within the address space of web server, platform independent and uses the functionality of java class libraries

Answer 1

Servlets execute within the address space of web server, platform independent and uses the functionality of java class libraries

Question 2

Which method is used to specify before any lines that uses the PrintWriter?

A)setPageType()
B)setContextType()
C)setContentType()
D)setResponseType()

Answer 2

setContentType()

Question 3

Which of the following are the session tracking techniques?

A)URL rewriting, using session object, using response object, using hidden fields
B)URL rewriting, using session object, using cookies, using hidden fields
C)URL rewriting, using servlet object, using response object, using cookies
D)URL rewriting, using request object, using response object, using session object

Answer 3

URL rewriting, using session object, using cookies, using hidden fields

Question 4

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 5

A servlet maintain session in

A)Servlet container
B)Servlet context
C)Servlet request heap
D)Servlet response heap

Question 6

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 7

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 8

The init parameter name and value pairs that are defined in web.xml file are handled by

A)ServletConfig object
B)ServletContext object
C)ServletRequest object
D)ServletResponse object

Question 9

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 10

Which of the following package contains servlet classes?

A)javax.servlet
B)javax.servlet.http
C)Both of the above
D)None of the above

Question 11

Which page directive should be used in JSP to generate a PDF page?

A)contentType
B)generatePdf
C)typePDF
D)contentPDF

Question 12

Which tag should be used to pass information from JSP to included JSP?

A)Using <%jsp:page> tag
B)Using <%jsp:param> tag
C)Using <%jsp:import> tag
D)Using <%jsp:useBean> tag

Question 13

Application is instance of which class?

A)javax.servlet.Application
B)javax.servlet.HttpContext
C)javax.servlet.Context
D)javax.servlet.ServletContext

Question 14

_jspService() method of HttpJspPage class should not be overridden.

A)True
B)False
C)none
D)all

Question 15

Which option is true about session scope?

A)Objects are accessible only from the page in which they are created
B)Objects are accessible only from the pages which are in same session
C)Objects are accessible only from the pages which are processing the same request
D)Objects are accessible only from the pages which reside in same application

Question 16

Default value of autoFlush attribute is?

A)true
B)false
C)none
D)all

Question 17

Which one is the correct order of phases in JSP life cycle?

A)Initialization, Cleanup, Compilation, Execution
B)Initialization, Compilation, Cleanup, Execution
C)Compilation, Initialization, Execution, Cleanup
D)Cleanup, Compilation, Initialization, Execution

Question 18

"request" is instance of which one of the following classes?

A)Request
B)HttpRequest
C)HttpServletRequest
D)ServletRequest

Question 19

Which is not a directive?

A)include
B)page
C)export
D)useBean

Question 20

Which is mandatory in tag?

A)id, class
B)id, type
C)type, property
D)type,id

Question 21

Which one of the following is correct for directive in JSP?

A)<%@directive%>
B)<%!directive%>
C)<%directive%>
D)<%=directive%>

Question 22

Which of the following action variable is used to include a file in JSP?

A)jsp:setProperty
B)jsp:getProperty
C)jsp:include
D)jsp:plugin

Question 23

Which attribute uniquely identification element?

A)ID
B)Class
C)Name
D)Scope

Question 24

"out" is implicit object of which class?

A)javax.servlet.jsp.PrintWriter
B)javax.servlet.jsp.SessionWriter
C)javax.servlet.jsp.SessionPrinter
D)javax.servlet.jsp.JspWriter

Question 25

Which object stores references to the request and response objects?

A)sessionContext
B)pageContext
C)HttpSession
D)sessionAttribute