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

1. Your company has a corporate policy that prohibits storing a customer's credit card number in any corporate database. However, users have complained that they do NOT want to re- enter their credit card number for each transaction. Your management has decided to use client-side cookies to record the user's credit card number for 120 days. Furthermore, they also want to protect this information during transit from the web browser to the web container; so the cookie must only be transmitted over HTTPS.
Which code snippet creates the "creditCard" cookie and adds it to the out going response to be stored on the user's web browser?

A) 10. Cookie c = new Cookie("creditCard", usersCard);
1 1. c.setSecure(true);
1 2. c.setAge(10368000);
1 3. response.addCookie(c);
B) 10. Cookie c = new Cookie("creditCard", usersCard);
1 1. c.setHttps(true);
1 2. c.setMaxAge(10368000);
1 3. response.setCookie(c);
C) 10. Cookie c = new Cookie("creditCard", usersCard);
1 1. c.setSecure(true);
1 2. c.setAge(10368000);
1 3. response.setCookie(c);
D) 10. Cookie c = new Cookie("creditCard", usersCard);
1 1. c.setSecure(true);
1 2. c.setMaxAge(10368000);
1 3. response.addCookie(c);
E) 10. Cookie c = new Cookie("creditCard", usersCard);
11. c.setHttps(true);
12. c.setAge(10368000);
13. response.addCookie(c);

2. Which two statements about tag files are true? (Choose two.)

A) A file named foo.tag, located in /WEB-INF/tags/bar, is recognized as a tag file by the container.
B) A file named foo.tag, located in a web application's root directory, is recognized as a tag file by the container.
C) A file named foo.tag, bundled in a JAR file but NOT defined in a TLD, triggers a container translation error.
D) If files foo1.tag and foo2.tag both reside in /WEB-INF/tags/bar, the container will consider them part of the same tag library.
E) Classic tag handlers and tag files CANNOT reside in the same tag library.

3. Your management has required that all JSPs be created to generate XHTML-compliant content and to facilitate that decision, you are required to create all JSPs using the JSP
Document format. In the reviewOrder.jspx page, you need to use several core JSTL tags to process the collection of order items in the customer's shopping cart. Which JSP code snippets must you use in the reviewOrder.jspx page?

A) <html xmlns:jsp="http://java.sun.com/JSP/Page"
version="2.0">
< jsp:directive.taglib prefix="c"
uri="http://java.sun.com/jsp/jstl/core" />
< !-- page content -->
< /html>
B) <jsp:root xmlns:jsp="http://java.sun.com/JSP/Page"
version="2.0">
< jsp:directive.taglib prefix="c"
uri="http://java.sun.com/jsp/jstl/core" />
< !-- page content -->
< /jsp:root>
C) <jsp:root xmlns:jsp="http://java.sun.com/JSP/Page"
version="2.0"
xmlns:c="http://java.sun.com/jsp/jstl/core">
< !-- page content -->
< /jsp:root>
D) <html xmlns:jsp="http://java.sun.com/JSP/Page"
version="2.0"
xmlns:c="http://java.sun.com/jsp/jstl/core">
< !-- page content -->
< /html>

4. The JSP developer wants a comment to be visible in the final output to the browser. Which comment style needs to be used in a JSP page?

A) <% // this is a comment %>
B) <% /** this is a comment **/ %>
C) <!-- this is a comment -->
D) <%-- this is a comment --%>

5. 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) The related custom HTML login page must be named loginPage.html.
C) Your deployment descriptor will need to contain this tag:
< auth-method>CUSTOM</auth-method>.
D) 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.
E) When you use this type of authentication, SSL is turned on automatically.

Solutions: