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

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

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

2. You are creating a servlet that generates stock market graphs. You want to provide the web browser with precise information about the amount of data being sent in the response stream. Which two HttpServletResponse methods will you use to provide this information? (Choose two.)

A) response.setIntHeader("Length", numberOfBytes);
B) response.setLength(numberOfBytes);
C) response.setIntHeader("Content-Length", numberOfBytes);
D) response.setContentLength(numberOfBytes);
E) response.setHeader("Content-Length", numberOfBytes);
F) response.setHeader("Length", numberOfBytes);

3. For a given ServletResponse response, which two retrieve an object for writing text data?
(Choose two.)

A) response.getWriter().getOutputStream()
B) response.getOutputStream()
C) response.getWriter(Writer.OUTPUT_TEXT)
D) response.getWriter()
E) response.getOutputWriter()

4. You are creating a JSP page to display a collection of data. This data can be displayed in several different ways so the architect on your project decided to create a generic servlet that generates a comma-delimited string so that various pages can render the data in different ways. This servlet takes on request parameter: objectID. Assume that this servlet is mapped to the URL pattern: /WEB-INF/data.
In the JSP you are creating, you need to split this string into its elements separated by commas and generate an HTML <ul> list from the data.
Which JSTL code snippet will accomplish this goal?

A) <c:import var='dataString' url='/WEB-INF/data'>
<c:param name='objectID' value='${currentOID}' />
</c:import>
<ul>
<c:forTokens items'${dataString.split(",")}' var='item'>
<li>${item}</li>
</c:forTokens>
</ul>
B) <c:import varReader='dataString' url='/WEB-INF/data'>
<c:param name='objectID' value='${currentOID}' />
</c:import>
<ul>
<c:forTokens items'${dataString}' delims=',' var='item'>
<li>${item}</li>
</c:forTokens>
</ul>
C) <c:import varReader='dataString' url='/WEB-INF/data'>
<c:param name='objectID' value='${currentOID}' />
</c:import>
<ul>
<c:forTokens items'${dataString.split(",")}' var='item'>
<li>${item}</li>
</c:forTokens>
</ul>
D) <c:import var='dataString' url='/WEB-INF/data'>
<c:param name='objectID' value='${currentOID}' />
</c:import>
<ul>
<c:forTokens items'${dataString}' delims=',' var='item'>
<li>${item}</li>
</c:forTokens>
</ul>

5. 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 GET.
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 POST.
F) A user whose role is Admin can perform a POST.

Solutions: