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Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
1. Which three are described in the standard web application deployment descriptor? (Choose three.)
A) MIME type mappings
B) context root for the application
C) ServletContext initialization parameters
D) session configuration
E) web container default port bindings
F) servlet instance pool configuration
2. Your web application uses a simple architecture in which servlets handle requests and then forward to a JSP using a request dispatcher. You need to pass information calculated in the servlet to the JSP for view generation. This information must NOT be accessible to any other servlet, JSP or session in the webapp. Which two techniques can you use to accomplish this goal? (Choose two.)
A) Add attributes to the session object.
B) Add parameters to the JSP's URL when generating the request dispatcher.
C) Add parameters to the request object.
D) Add attributes on the request object.
E) Use the pageContext object to add request attributes.
3. Given in a single JSP page:
<%@ taglib prefix='java' uri='myTags' %>
<%@ taglib prefix='JAVA' uri='moreTags' %>
Which two are true? (Choose two.)
A) A translation error occurs because the prefix is considered identical by the web container.
B) The prefix 'java' is reserved.
C) For the tag usage <java:tag1/>, the tag1 must be unique in the union of tag names in 'myTags' and 'moreTags'.
D) The URI 'myTags' must be properly mapped to a TLD file by the web container.
4. Given:
6.<% int[] nums = {42, 420, 4200};
7.request.setAttribute("foo", nums); %>
Which two successfully translate and result in a value of true? (Choose two.)
A) ${(requestScope['foo'][0] lt 50) && (3 gt 2)}
B) ${requestScope[foo][0] > 500}
C) ${true or false}
D) ${requestScope['foo'][1] = 420}
5. Given:
11.
public class MyServlet extends HttpServlet {
12.
public void service(HttpServletRequest request,
13.
HttpServletResponse response)
14.
throws ServletException, IOException {
15.
// insert code here
16.
}
17.
}
and this element in the web application's deployment descriptor:
<error-page> <error-code>302</error-code> <location>/html/error.html</location> </error-page>
Which, inserted at line 15, causes the container to redirect control to the error.html resource?
A) response.sendError(302);
B) response.setStatus(302);
C) response.sendErrorRedirect(302);
D) response.sendRedirect(302);
E) response.setError(302);
Solutions:
| Question # 1 Answer: A,C,D | Question # 2 Answer: B,D | Question # 3 Answer: B,D | Question # 4 Answer: A,C | Question # 5 Answer: A |
