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

1. You have built a collection of custom tags for your web application. The TLD file is located in the file: /WEB-INF/myTags.xml. You refer to these tags in your JSPs using the symbolic name: myTags. Which deployment descriptor element must you use to make this link between the symbolic name and the TLD file name?

A) <taglib>
<name>myTags</name>
<location>/WEB-INF/myTags.xml</location>
</taglib>
B) <tags>
<name>myTags</name>
<location>/WEB-INF/myTags.xml</location>
</tags>
C) <tags>
<tags-uri>myTags</taglib-uri>
<tags-location>/WEB-INF/myTags.xml</tags-location>
</tags>
D) <taglib>
<taglib-uri>myTags</taglib-uri>
<taglib-location>/WEB-INF/myTags.xml</taglib-location>
</taglib>

2. Click the Exhibit button.
As a maintenance feature, you have created this servlet to allow you to upload and remove files on your web server. Unfortunately, while testing this servlet, you try to upload a file using an HTTP request and on this servlet, the web container returns a 404 status.
What is wrong with this servlet?

A) The servlet needs a service method to dispatch the requests to the helper methods.
B) The doPut and doDelete methods do NOT map to the proper HTTP methods.
C) The servlet constructor must NOT have any parameters.
D) HTTP does NOT support file upload operations.

3. Given tutorial.jsp:
2.<h1>EL Tutorial</h1>
3.<h2>Example 1</h2>
4.<p>
5.Dear ${my:nickname(user)}
6.</p>
Which, when added to the web application deployment descriptor, ensures that line 5 is included verbatim in the JSP output?

A) <jsp-config> <jsp-property-group> <el-ignored>*.jsp</el-ignored> </jsp-property-group> </jsp-config>
B) <jsp-config> <jsp-property-group> <url-pattern>*.jsp</url-pattern> <isElIgnored>true</isElIgnored> </jsp-property-group> </jsp-config>
C) <jsp-config> <url-pattern>*.jsp</url-pattern> <isELIgnored>true</isELIgnored> </jsp-config>
D) <jsp-config> <jsp-property-group> <url-pattern>*.jsp</url-pattern> <el-ignored>true</el-ignored> </jsp-property-group> </jsp-config>
E) <jsp-config> <url-pattern>*.jsp</url-pattern> <el-ignored>true</el-ignored> </jsp-config>

4. You are building your own layout mechanism by including dynamic content for the page's header and footer sections. The footer is always static, but the header generates the <title> tag that requires the page name to be specified dynamically when the header is imported. Which JSP code snippet performs the import of the header content?

A) <jsp:include page='/WEB-INF/jsp/header.jsp'> <jsp:param name='pageName' value='Welcome Page' /> </jsp:include>
B) <jsp:include page='/WEB-INF/jsp/header.jsp'> <jsp:attribute name='pageName' value='Welcome Page' /> </jsp:include>
C) <jsp:import page='/WEB-INF/jsp/header.jsp'> <jsp:param name='pageName' value='Welcome Page' /> </jsp:import>
D) <jsp:import page='/WEB-INF/jsp/header.jsp'> <jsp:attribute name='pageName' value='Welcome Page' /> </jsp:import>

5. In a JSP-centric web application, you need to create a catalog browsing JSP page. The catalog is stored as a List object in the catalog attribute of the webapp's ServletContext object. Which scriptlet code snippet gives you access to the catalog object?

A) <% List catalog = config.getAttribute("catalog"); %>
B) <% List catalog = application.getAttribute("catalog"); %>
C) <% List catalog = servletContext.getAttribute("catalog"); %>
D) <% List catalog = context.getAttribute("catalog"); %>

Solutions: