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Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:

1. You have built a web application with tight security. Several directories of your webapp are used for internal purposes and you have overridden the default servlet to send an HTTP 403 status code for any request that maps to one of these directories. During testing, the Quality Assurance director decided that they did NOT like seeing the bare response page generated by Firefox and Internet Explorer. The director recommended that the webapp should return a more user-friendly web page that has the same look-and-feel as the webapp plus links to the webapp's search engine. You have created this JSP page in the /WEB-INF/jsps/error403.jsp file. You do NOT want to alter the complex logic of the default servlet. How can you declare that the web container must send this JSP page whenever a 403 status is generated?

A) <error-page>
<status-code>403</status-code>
<location>/WEB-INF/jsps/error403.jsp</location>
</error-page>
B) <error-page>
<status-code>403</status-code>
<url>/WEB-INF/jsps/error403.jsp</url>
</error-page>
C) <error-page>
<error-code>403</error-code>
<location>/WEB-INF/jsps/error403.jsp</location>
</error-page>
D) <error-page>
<error-code>403</error-code>
<url>/WEB-INF/jsps/error403.jsp</url>
</error-page>

2. Which three are described in the standard web application deployment descriptor? (Choose three.)

A) ServletContext initialization parameters
B) MIME type mappings
C) web container default port bindings
D) session configuration
E) context root for the application
F) servlet instance pool configuration

3. Given that www.example.com/SCWCDtestApp is a validly deployed Java EE web application and that all of the JSP files specified in the requests below exist in the locations specified. Which two requests, issued from a browser, will return an HTTP 404 error? (Choose two.)

A) http://www.example.com/SCWCDtestApp/META-INF/test.jsp
B) http://www.example.com/SCWCDtestApp/WEB-WAR/test.jsp
C) http://www.example.com/SCWCDtestApp/test.jsp
D) http://www.example.com/SCWCDtestApp/Customer/test.jsp
E) http://www.example.com/SCWCDtestApp/WEB-INF/test.jsp
F) http://www.example.com/SCWCDtestApp/Customer/Update/test.jsp

4. One of the use cases in your web application uses many session-scoped attributes. At the end of the use case, you want to clear out this set of attributes from the session object. Assume that this static variable holds this set of attribute names:
201.
private static final Set<String> USE_CASE_ATTRS;
202.
static {
203.
USE_CASE_ATTRS.add("customerOID");
204.
USE_CASE_ATTRS.add("custMgrBean");
205.
USE_CASE_ATTRS.add("orderOID");
206.
USE_CASE_ATTRS.add("orderMgrBean");
207.
}
Which code snippet deletes these attributes from the session object?

A) session.removeAll(USE_CASE_ATTRS);
B) for ( String attr : USE_CASE_ATTRS ) {
session.removeAttribute(attr);
}
C) for ( String attr : USE_CASE_ATTRS ) {
session.deleteAttribute(attr);
}
D) session.deleteAllAttributes(USE_CASE_ATTRS);
E) for ( String attr : USE_CASE_ATTRS ) {
session.remove(attr);
}

5. DRAG DROP
Click the Task button.
A servlet context listener loads a list of com.example.Product objects from a database and
stores that list into the catalog attribute of the ServletContext object.
Place code snippets to construct a jsp:useBean standard action to access this catalog.

Solutions: