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SUN 310-083 Exam Syllabus Topics:

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

Question 1

Which method must be used to encode a URL passed as an argument to
HttpServletResponse.sendRedirect when using URL rewriting for session tracking?

A. ServletResponse.encodeRedirectURL
B. HttpServletResponse.encodeRedirectURL
C. ServletResponse.encodeURL
D. HttpServletResponse.encodeURL

Question 2

Your web application uses a simple architecture in which servlets handle requests and then forward to a JSP using a request dispatcher. You need to pass information calculated in the servlet to the JSP for view generation. This information must NOT be accessible to any other servlet, JSP or session in the webapp. Which two techniques can you use to accomplish this goal? (Choose two.)

A. Add parameters to the JSP's URL when generating the request dispatcher.
B. Add parameters to the request object.
C. Add attributes on the request object.
D. Add attributes to the session object.
E. Use the pageContext object to add request attributes.

Question 3

Which JSTL code snippet can be used to import content from another web resource?

A. <c:import url="foo.jsp"/>
B. <c:include url="foo.jsp"/>
C. <c:include page="foo.jsp"/>
D. <c:import page="foo.jsp"/>
E. Importing cannot be done in JSTL. A standard action must be used instead.

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

Question 5

A web browser need NOT always perform a complete request for a particular page that it suspects might NOT have changed. The HTTP specification provides a mechanism for the browser to retrieve only a partial response from the web server; this response includes information, such as the Last-Modified date but NOT the body of the page. Which HTTP method will the browser use to retrieve such a partial response?

A. SEND
B. OPTIONS
C. ASK
D. TRACE
E. GET
F. HEAD

Solutions: