SCWCD Questions 141 - 150

QUESTION NO: 141


You need to create a servlet filter that stores all request headers to a database for all requests to
the web application's home page "/index.jsp". Which HttpServletRequest method allows you to
retrieve all of the request headers?
A. String[] getHeaderNames()
B. String[] getRequestHeaders()
C. java.util.Iterator getHeaderNames()
D. java.util.Iterator getRequestHeaders()
E. java.util.Enumeration getHeaderNames()
F. java.util.Enumeration getRequestHeaders()

Answer: E


QUESTION NO: 142


Given an HttpServletRequest request and HttpServletResponse response, which sets a cookie
"username" with the value "joe" in a servlet?
A. request.addCookie("username", "joe")
B. request.setCookie("username", "joe")
C. response.addCookie("username", "joe")
D. request.addHeader(new Cookie("username", "joe"))
E. request.addCookie(new Cookie("username", "joe"))
F. response.addCookie(new Cookie("username", "joe"))
G. response.addHeader(new Cookie("username", "joe"))

Answer: F


QUESTION NO: 143 DRAG DROP


Click the Task button.
Given a request from mybox.example.com, with an IP address of 10.0.1.11 on port 33086, place
the appropriate ServletRequest methods onto their corresponding return values.

Answer:

Explanation:

QUESTION NO: 144


Your web application requires the ability to load and remove web files dynamically to the web
container's file system. Which two HTTP methods are used to perform these actions? (Choose
two.)
A. PUT
B. POST
C. SEND
D. DELETE
E. REMOVE
F. DESTROY

Answer: A,D


QUESTION NO: 145


Every page of your web site must include a common set of navigation menus at the top of the
page. This menu is static HTML and changes frequently, so you have decided to use JSP's static
import mechanism. Which JSP code snippet accomplishes this goal?
A. <%@ import file='/common/menu.html' %>
B. <%@ page import='/common/menu.html' %>
C. <%@ import page='/common/menu.html' %>
D. <%@ include file='/common/menu.html' %>
E. <%@ page include='/common/menu.html' %>
F. <%@ include page='/common/menu.html' %>

Answer: D


QUESTION NO: 146


For manageability purposes, you have been told to add a "count" instance variable to a critical
JSP Document so that a JMX MBean can track how frequent this JSP is being invoked. Which
JSP code snippet must you use to declare this instance variable in the JSP Document?
A. <jsp:declaration>
int count = 0;
<jsp:declaration>
B. <%! int count = 0; %>
C. <jsp:declaration.instance>
int count = 0;
<jsp:declaration.instance>
D. <jsp:scriptlet.declaration>
int count = 0;
<jsp:scriptlet.declaration>

Answer: A


QUESTION NO: 147


You have a new IT manager that has mandated that all JSPs must be refactored to include no
scritplet code. The IT manager has asked you to enforce this. Which deployment descriptor
element will satisfy this constraint?
A. <jsp-property-group>
<url-pattern>*.jsp</url-pattern>
<permit-scripting>false</permit-scripting>
</jsp-property-group>
B. <jsp-config>
<url-pattern>*.jsp</url-pattern>
88
<permit-scripting>false</permit-scripting>
</jsp-config>
C. <jsp-config>
<url-pattern>*.jsp</url-pattern>
<scripting-invalid>true</scripting-invalid>
</jsp-config>
D. <jsp-property-group>
<url-pattern>*.jsp</url-pattern>
<scripting-invalid>true</scripting-invalid>
</jsp-property-group>

Answer: D


QUESTION NO: 148


You need to create a JSP that generates some JavaScript code to populate an array of strings
used on the client-side. Which JSP code snippet will create this array?
A. MY_ARRAY = new Array();
<% for ( int i = 0; i < serverArray.length; i++ ) {
MY_ARRAY[<%= i %>] = '<%= serverArray[i] %>';
} %>
B. MY_ARRAY = new Array();
<% for ( int i = 0; i < serverArray.length; i++ ) {
MY_ARRAY[${i}] = '${serverArray[i]}';
} %>
C. MY_ARRAY = new Array();
<% for ( int i = 0; i < serverArray.length; i++ ) { %>
MY_ARRAY[<%= i %>] = '<%= serverArray[i] %>';
<% } %>
D. MY_ARRAY = new Array();
<% for ( int i = 0; i < serverArray.length; i++ ) { %>
MY_ARRAY[${i}] = '${serverArray[i]}';
<% } %>

Answer: C


QUESTION NO: 149


You are building a Front Controller using a JSP page and you need to determine if the user's
session has NOT been created yet and perform some special processing for this case. Which
scriptlet code snippet will perform this test?
A. <% if ( request.getSession(false) == null ) {
// special processing
} %>
B. <% if ( request.getHttpSession(false) == null ) {
// special processing
} %>
C. <% if ( requestObject.getSession(false) == null ) {
// special processing
} %>
D. <% if ( requestObject.getHttpSession(false) == null ) {
// special processing
} %>

Answer: A


QUESTION NO: 150


You are creating a new JSP page and you need to execute some code that acts when the page is
first executed, but only once. Which three are possible mechanisms for performing this
initialization code? (Choose three.)
A. In the init method.
B. In the jspInit method.
C. In the constructor of the JSP's Java code.
D. In a JSP declaration, which includes an initializer block.
E. In a JSP declaration, which includes a static initializer block.

Answer: B,D,E