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Oracle 1Z0-858 Exam Syllabus Topics:

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

1. You are building JSP pages that have a set of menus that are visible based on a user's security role. These menus are hand-crafted by your web design team; for example, the SalesManager role has a menu in the file /WEB-INF/html/sales-mgr-menu.html. Which JSP code snippet should be used to make this menu visible to the user?

A) <% if ( request.isUserInRole("SalesManager") ) { %> <%@ include file='/WEB-INF/html/sales-mgr-menu.html' %> <% } %>
B) <% if ( request.isUserInRole("SalesManager") ) { %> <jsp:include file='/WEB-INF/html/sales-mgr-menu.html' /> <% } %>
C) <jsp:if test='request.isUserInRole("SalesManager")'> <%@ include file='/WEB-INF/html/sales-mgr-menu.html' %> </jsp:if>
D) <jsp:if test='request.isUserInRole("SalesManager")'> <jsp:include file='/WEB-INF/html/sales-mgr-menu.html' /> </jsp:if>

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

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

3. A web application contains a tag file called beta.tag in /WEB-INF/tags/alpha. A JSP page called sort.jsp exists in the web application and contains only this JSP code:
1.<%@ taglib prefix="x"
2.tagdir="/WEB-INF/tags/alpha" %>
3.<x:beta />
The sort.jsp page is requested.
Which two are true? (Choose two.)

A) Tag files can only be accessed using a tagdir attribute.
B) The sort.jsp page produces a translation error because a taglib directive must always have a uri attribute.
C) The tagdir attribute in line 2 can be replaced by a uri attribute if a TLD referring to beta.tag is created and added to the web application.
D) Tag files can only be placed in /WEB-INF/tags, and NOT in any subdirectories of /WEB-INF/tags.
E) The sort.jsp page translates successfully and invokes the tag defined by beta.tag.
F) The sort.jsp page produces a translation error because the tagdir attribute on lines 1-2 specifies a directory other than /WEB-INF/tags, which is illegal.

4. A developer is designing the presentation tier for a web application that relies on a complex session bean. The session bean is still being developed and the APIs for it are NOT finalized. Any changes to the session bean API directly impacts the development of the presentation tier. Which design pattern provides a means to manage the uncertainty in the API?

A) Chain of Responsibility
B) Front Controller
C) Intercepting Filter
D) View Helper
E) Business Delegate
F) Composite View

5. Your web application requires the adding and deleting of many session attributes during a complex use case. A bug report has come in that indicates that an important session attribute is being deleted too soon and a NullPointerException is being thrown several interactions after the fact. You have decided to create a session event listener that will log when attributes are being deleted so you can track down when the attribute is erroneously being deleted.
Which listener class will accomplish this debugging goal?

A) Create an HttpSessionAttributeListener class and implement the attributeRemoved method and log the attribute name using the getName method on the event object.
B) Create an HttpSessionAttributeListener class and implement the attributeDeleted method and log the attribute name using the getName method on the event object.
C) Create an SessionAttributeListener class and implement the attributeDeleted method and log the attribute name using the getAttributeName method on the event object.
D) Create an SessionAttributeListener class and implement the attributeRemoved method and log the attribute name using the getAttributeName method on the event object.

Solutions: