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

Given the security constraint in a DD:
1 01. <security-constraint>
1 02. <web-resource-collection>
1 03. <web-resource-name>Foo</web-resource-name>
1 04. <url-pattern>/Bar/Baz/*</url-pattern>
1 05. <http-method>POST</http-method>
1 06. </web-resource-collection>
1 07. <auth-constraint>
1 08. <role-name>DEVELOPER</role-name>
1 09. </auth-constraint>
1 10. </security-constraint>
And given that "MANAGER" is a valid role-name, which four are true for this security constraint? (Choose four.)

A. DEVELOPER can do a GET on resources in the /Bar/Baz directory.
B. MANAGER can do a GET on resources in the /Bar/Baz directory.
C. DEVELOPER can do a TRACE on any resource in the /Bar/Baz directory.
D. DEVELOPER can do only a POST on resources in the /Bar/Baz directory.
E. MANAGER can do a TRACE on any resource in the /Bar/Baz directory.
F. MANAGER can do a POST on any resource in the /Bar/Baz directory.

Question 2

Which implicit object is used in a JSP page to retrieve values associated with <context- param> entries in the deployment descriptor?

A. request
B. config
C. session
D. application

Question 3

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

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

Question 4

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

Question 5

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 by the servlet to the JSP; furthermore, that JSP uses a custom tag and must also process this information. This information must NOT be accessible to any other servlet, JSP or session in the webapp. How can you accomplish this goal?

A. This CANNOT be done as the tag handler has no means to extract this data.
B. Add an attribute to the request object before using the request dispatcher.
C. Store the data in a public instance variable in the servlet.
D. Add an attribute to the context object before using the request dispatcher.

Solutions: