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

1. You have built a web application that you license to small businesses. The webapp uses a context parameter, called licenseExtension, which enables certain advanced features based on your client's license package. When a client pays for a specific service, you provide them with a license extension key that they insert into the <context-param> of the deployment descriptor. Not every client will have this context parameter so you need to create a context listener to set up a default value in the licenseExtension parameter. Which code snippet will accomplish this goal?

A) String ext = context.getParameter('licenseExtension');
if ( ext == null ) {
context.setParameter('licenseExtension', DEFAULT);
}
B) String ext = context.getInitParameter('licenseExtension');
if ( ext == null ) {
context.resetInitParameter('licenseExtension', DEFAULT);
}
C) String ext = context.getAttribute('licenseExtension');
if ( ext == null ) {
context.setAttribute('licenseExtension', DEFAULT);
}
D) You cannot do this because context parameters CANNOT be altered programmatically.
E) String ext = context.getInitParameter('licenseExtension');
if ( ext == null ) { context.setInitParameter('licenseExtension', DEFAULT); }

2. Servlet A forwarded a request to servlet B using the forward method of RequestDispatcher. What attribute in B's request object contains the URI of the original request received by servlet A?

A) javax.servlet.forward.request_uri
B) javax.servlet.forward.REQUEST_URI
C) REQUEST_URI
D) javax.servlet.request_dispatcher.request_uri
E) javax.servlet.request_dispatcher.REQUEST_URI

3. Given:
3.class MyServlet extends HttpServlet {
4.public void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
5.// servlet code here ...
26.
}
27.
}
If the DD contains a single security constraint associated with MyServlet and its only <httpmethod> 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 PUT.
B) A user whose role is Member can perform a POST.
C) A user whose role is Admin can perform a GET.
D) A user whose role is Admin can perform a POST.
E) A user whose role is Member can perform a GET.
F) A user whose role is Admin can perform a PUT.

4. Click the Exhibit button.
The h:highlight tag renders its body, highlighting an arbitrary number of words, each of which is passed as an attribute (word1, word2, ...). For example, a JSP page can invoke the h:highlight tag as follows:
11.
<h:highlight color="yellow" word1="high" word2="low">
12.
high medium low
13.
</h:highlight>
Given that HighlightTag extends SimpleTagSupport, which three steps are necessary to implement the tag handler for the highlight tag? (Choose three).

A) add a doStartTag method
B) add a getter and setter for the word1 and word2 attributes
C) implement the DynamicAttributes interface
D) create and implement a TagExtraInfo class
E) add a getter and setter for the color attribute
F) add a doTag method

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: