SUN Sun Certified Web Component Developer for J2EE 5 : 310-083

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SUN 310-083 Exam Syllabus Topics:

SUN Sun Certified Web Component Developer for J2EE 5 Sample Questions:

Question 1

If you want to use the Java EE platform's built-in type of authentication that uses a custom
HTML page for authentication, which two statements are true? (Choose two.)

A. In the HTML related to authentication for this application, you must use predefined variable names for the variables that store the user and password values.
B. You must have a tag in your deployment descriptor that allows you to point to both a login HTML page and an HTML page for handling any login errors.
C. Your deployment descriptor will need to contain this tag:
< auth-method>CUSTOM</auth-method>.
D. When you use this type of authentication, SSL is turned on automatically.
E. The related custom HTML login page must be named loginPage.html.

Question 2

Click the Exhibit button.
Assume the product attribute does NOT yet exist in any scope.
Which two create an instance of com.example.Product and initialize the name and price properties to the name and price request parameters? (Choose two.)

A. <jsp:useBean id="product" class="com.example.Product" />
< jsp:setProperty name="product" property="name"
value="${param.name}" />
< jsp:setProperty name="product" property="price"
value="${param.price}" />
B. <jsp:useBean id="product" class="com.example.Product">
< jsp:setProperty name="product" property="name"
value="${name}" />
< jsp:setProperty name="product" property="price"
value="${price}" />
< /jsp:useBean>
C. <jsp:useBean id="product" class="com.example.Product" />
< jsp:setProperty name="product" property="*" />
D. <jsp:useBean id="product" class="com.example.Product" />
< % product.setName( request.getParameter( "name" ) ); %>
< % product.setPrice( request.getParameter( "price" ) ); %>

Question 3

Given the two security constraints in a deployment descriptor:
1 01. <security-constraint>
1 02. <!--a correct url-pattern and http-method goes here-->
1 03. <auth-constraint><role-name>SALES</role-name></auth-
1 03. <auth-constraint>
1 04. <role-name>SALES</role-name>
1 05. </auth-constraint>
1 06. </security-constraint>
1 07. <security-constraint>
1 08. <!--a correct url-pattern and http-method goes here-->
1 09. <!-- Insert an auth-constraint here -->
1 10. </security-constraint>
If the two security constraints have the same url-pattern and http-method, which two, inserted independently at line 109, will allow users with role names of either SALES or
MARKETING to access this resource? (Choose two.)

A. <auth-constraint/>
B. <auth-constraint>
< role-name>ANY</role-name>
< /auth-constraint>
C. <auth-constraint>
< role-name>MARKETING</role-name>
< /auth-constraint>
D. <auth-constraint>
< role-name>*</role-name>
< /auth-constraint>

Question 4

You need to retrieve the username cookie from an HTTP request. If this cookie does NOT exist, then the c variable will be null. Which code snippet must be used to retrieve this cookie object?

A. 10. Cookie c = null;
1 1. for ( Iterator i = request.getCookies();
1 2. i.hasNext(); ) {
1 3. Cookie o = (Cookie) i.next();
1 4. if ( o.getName().equals("username") ) {
1 5. c = o;
1 6. break;
1 7. }
1 8. }
B. 10. Cookie c = request.getCookie("username");
C. 10. Cookie c = null;
1 1. for ( Enumeration e = request.getCookies();
1 2. e.hasMoreElements(); ) {
1 3. Cookie o = (Cookie) e.nextElement();
1 4. if ( o.getName().equals("username") ) {
1 5. c = o;
1 6. break;
1 7. }
1 8. }
D. 10. Cookie c = null;
1 1. Cookie[] cookies = request.getCookies();
1 2. for ( int i = 0; i < cookies.length; i++ ) {
1 3. if ( cookies[i].getName().equals("username") ) {
1 4. c = cookies[i];
1 5. break;
1 6. }
1 7. }

Question 5

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. java.util.Enumeration getHeaderNames()
B. java.util.Iterator getRequestHeaders()
C. String[] getRequestHeaders()
D. String[] getHeaderNames()
E. java.util.Enumeration getRequestHeaders()
F. java.util.Iterator getHeaderNames()

Solutions: