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Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional 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 reenter 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);
11.
c.setHttps(true);
12.
c.setMaxAge(10368000);
13.
response.setCookie(c);
B) 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setHttps(true);
12.
c.setAge(10368000);
13.
response.addCookie(c);
C) 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setSecure(true);
12.
c.setAge(10368000);
13.
response.setCookie(c);
D) 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setSecure(true);
12.
c.setMaxAge(10368000);
13.
response.addCookie(c);
E) 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setSecure(true);
12.
c.setAge(10368000);
13.
response.addCookie(c);

2. You want to create a valid directory structure for your Java EE web application, and you want to put your web application into a WAR file called MyApp.war. Which two are true about the WAR file? (Choose two.)

A) At deploy time, Java EE containers add a file called MANIFEST.MF directly into the MyApp directory.
B) It can instruct your Java EE container to verify, at deploy time, whether you have properly configured your application's classes.
C) At deploy time, Java EE containers add a directory called META-INF directly into the MyApp directory.
D) At deploy time, Java EE containers add a directory call META-WAR directly into the MyApp directory.

3. A developer is designing a web application which extensively uses EJBs and JMS. The developer finds that there is a lot of duplicated code to build the JNDI contexts to access the beans and queues. Further, because of the complexity, there are numerous errors in the code. Which J2EE design pattern provides a solution for this problem?

A) Data Access Object
B) Business Delegate
C) Session Facade
D) Transfer Object
E) Command
F) Service Locator

4. Given a portion of a valid Java EE web application's directory structure:
MyApp | |-- File1.html | |-- Directory1 | |-- File2.html | |-- META-INF |-- File3.html
You want to know whether File1.html, File2.html, and/or File3.html will be directly accessible by your web client's browsers.
Which statement is true?

A) Only File3.html is directly accessible.
B) Only File2.html is directly accessible.
C) Only File2.html and File3.html are directly accessible.
D) All three files are directly accessible.
E) Only File1.html and File3.html are directly accessible.
F) Only File1.html is directly accessible.
G) Only File1.html and File2.html are directly accessible.

5. 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 page='/common/menu.html' %>
B) <%@ include page='/common/menu.html' %>
C) <%@ page include='/common/menu.html' %>
D) <%@ import file='/common/menu.html' %>
E) <%@ page import='/common/menu.html' %>
F) <%@ include file='/common/menu.html' %>

Solutions: