J2Ee Technologies Set 3 MCQs

Q1 | Which of the following is true about servlets?

Servlets execute within the address space of web server

Servlets are platform-independent because they are written in java

Servlets can use the full functionality of the Java class libraries

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

Q2 | Which method is used to specify before any lines that uses the PrintWriter?

setPageType()

setContextType()

setContentType()

setResponseType()

Q3 | Which of the following are the session tracking techniques?

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

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

URL rewriting, using servlet object, using response object, using cookies

URL rewriting, using request object, using response object, using session object

Q4 | The getSession() method with „true? as its parameter [ getSession(true) ] it will return the appropriate session object when

the session is completed

the session object is passed to another method

the session does not exists

the session is existing

Q5 | A servlet maintain session in

Servlet container

Servlet context

Servlet request heap

Servlet response heap

Q6 | Servlet mapping defines

an association between a URL pattern and a servlet

an association between a URL pattern and a request page

an association between a URL pattern and a response page

All of the above

Q7 | The life cycle of a servlet is managed by

servlet context

servlet container

the supporting protocol (such as http or https)

all of the above

Q8 | The init parameter name and value pairs that are defined in web.xml file are handled by

ServletConfig object

ServletContext object

ServletRequest object

ServletResponse object

Q9 | How many ServletContext objects are available for an entire web application?

One each per servlet

One each per request

One each per response

Only one

Q10 | Which of the following package contains servlet classes?

javax.servlet

javax.servlet.http

Both of the above

None of the above

Q11 | Which page directive should be used in JSP to generate a PDF page?

contentType

generatePdf

typePDF

contentPDF

Q12 | Which tag should be used to pass information from JSP to included JSP?

Using <%jsp:page> tag

Using <%jsp:param> tag

Using <%jsp:import> tag

Using <%jsp:useBean> tag

Q13 | Application is instance of which class?

javax.servlet.Application

javax.servlet.HttpContext

javax.servlet.Context

javax.servlet.ServletContext

Q14 | _jspService() method of HttpJspPage class should not be overridden.

TRUE

FALSE

none

all

Q15 | Which option is true about session scope?

Objects are accessible only from the page in which they are created

Objects are accessible only from the pages which are in same session

Objects are accessible only from the pages which are processing the same request

Objects are accessible only from the pages which reside in same application

Q16 | Default value of autoFlush attribute is?

TRUE

FALSE

none

all

Q17 | Which one is the correct order of phases in JSP life cycle?

Initialization, Cleanup, Compilation, Execution

Initialization, Compilation, Cleanup, Execution

Compilation, Initialization, Execution, Cleanup

Cleanup, Compilation, Initialization, Execution

Q18 | “request” is instance of which one of the following classes?

Request

HttpRequest

HttpServletRequest

ServletRequest

Q19 | Which is not a directive?

include

page

export

useBean

Q20 | Which is mandatory in tag?

id, class

id, type

type, property

type,id

Q21 | Which one of the following is correct for directive in JSP?

<%@directive%>

<%!directive%>

<%directive%>

<%=directive%>

Q22 | Which of the following action variable is used to include a file in JSP?

jsp:setProperty

jsp:getProperty

jsp:include

jsp:plugin

Q23 | Which attribute uniquely identification element?

ID

Class

Name

Scope

Q24 | “out” is implicit object of which class?

javax.servlet.jsp.PrintWriter

javax.servlet.jsp.SessionWriter

javax.servlet.jsp.SessionPrinter

javax.servlet.jsp.JspWriter

Q25 | Which object stores references to the request and response objects?

sessionContext

pageContext

HttpSession

sessionAttribute