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SUN 310-083 Exam Syllabus Topics:

SUN Sun Certified Web Component Developer for J2EE 5 Sample Questions:

1. 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"); %>

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

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

3. Given a header in an HTTP request:
X-Retries: 4
Which two retrieve the value of the header from a given HttpServletRequest request?
(Choose two.)

A) request.getRequestHeader("X-Retries")
B) request.getIntHeader("X-Retries")
C) request.getRequestHeaders("X-Retries").get(0)
D) request.getHeaders("X-Retries").get(0)
E) request.getHeader("X-Retries")

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

5. Which ensures that a JSP response is of type "text/plain"?

A) <% response.setMimeType("text/plain"); %>
B) <% response.setEncoding("text/plain"); %>
C) <%@ page pageEncoding="text/plain" %>
D) <%@ page mimeType="text/plain" %>
E) <%@ page contentType="text/plain" %>
F) <%@ page contentEncoding="text/plain" %>

Solutions: