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SUN 310-083 Exam Overview:

SUN 310-083 Exam Syllabus Topics:

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

1. For which three events can web application event listeners be registered? (Choose three.)

A) when a session is created
B) after a servlet is destroyed
C) when a session attribute value is changed
D) when a session has timed out
E) when a cookie has been created
F) when a servlet has forwarded a request

2. Given this fragment in a servlet:
2 3. if(req.isUserInRole("Admin")) {
2 4. // do stuff
2 5. }
And the following fragment from the related Java EE deployment descriptor:
8 12. <security-role-ref>
8 13. <role-name>Admin</role-name>
8 14. <role-link>Administrator</role-link>
8 15. </security-role-ref>
9 00. <security-role>
9 01. <role-name>Admin</role-name>
9 02. <role-name>Administrator</role-name>
9 03. </security-role>
What is the result?

A) If line 24 executes, the user's role will be Admin.
B) If line 24 executes, the user's role will be Administrator.
C) The deployment descriptor is NOT valid.
D) Line 24 can never be reached.
E) If line 24 executes the user's role will NOT be predictable.

3. Which element of the web application deployment descriptor defines the servlet class associated with a servlet instance?

A) <codebase>
B) <servlet-class>
C) <servlet>
D) <webapp>
E) <servlet-mapping>
F) <class>

4. You are writing a JSP that includes scriptlet code to declare a List variable and initializes that variable to an ArrayList object. Which two JSP code snippets can you use to import these list types? (Choose two.)

A) <%@ import types='java.util.List'
types='java.util.ArrayList' %>
B) <%@ page import='java.util.List,java.util.ArrayList' %>
C) <%@ page import='java.util.List'
import='java.util.ArrayList' %>
D) <%! import java.util.List;
import java.util.ArrayList; %>
E) <%@ import types='java.util.List,java.util.ArrayList' %>
F) <%! import java.util.*; %>

5. Given:
3 . class MyServlet extends HttpServlet {
4 . public void doPut(HttpServletRequest req,
HttpServletResponse resp)
throws ServletException, IOException {
5. // servlet code here
...
2 6. }
2 7. }
If the DD contains a single security constraint associated with MyServlet and its only <http- method> tags and <auth-constraint> tags are:
< http-method>GET</http-method>
< http-method>PUT</http-method>
< auth-constraint>Admin</auth-constraint>
Which four requests would be allowed by the container? (Choose four.)

A) A user whose role is Member can perform a POST.
B) A user whose role is Admin can perform a PUT.
C) A user whose role is Member can perform a PUT.
D) A user whose role is Admin can perform a GET.
E) A user whose role is Member can perform a GET.
F) A user whose role is Admin can perform a POST.

Solutions: