Oracle 1Z0-858 Exam : Java Enterprise Edition 5 Web Component Developer Certified Professional Exam

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Oracle 1Z0-858 Exam Syllabus Topics:

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

1. DRAG DROP
Click the Task button.
A servlet context listener loads a list of com.example.Product objects from a database and
stores that list into the catalog attribute of the ServletContext object.
Place code snippets to construct a jsp:useBean standard action to access this catalog.

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

3. Given the definition of MyServlet:
11.
public class MyServlet extends HttpServlet {
12.
public void service(HttpServletRequest request,
13.
HttpServletResponse response)
14.
throws ServletException, IOException {
15.
HttpSession session = request.getSession(); 16 session.setAttribute("myAttribute","myAttributeValue");
17.
session.invalidate();
18.
response.getWriter().println("value=" +
19.
session.getAttribute("myAttribute"));
20.
}
21.
}
What is the result when a request is sent to MyServlet?

A) The string "value=null" appears in the response stream.
B) An InvalidSessionException is thrown at runtime.
C) An IllegalStateException is thrown at runtime.
D) The string "value=myAttributeValue" appears in the response stream.

4. You have created a web application that you license to real estate brokers. The webapp is highly customizable including the email address of the broker, which is placed on the footer of each page. This is configured as a context parameter in the deployment descriptor:
10.
<context-param>
11.
<param-name>footerEmail</param-name>
12.
<param-value>[email protected]</param-value>
13.
</context-param>
Which EL code snippet will insert this context parameter into the footer?

A) <a href='mailto:${initParam@footerEmail}'>Contact me</a>
B) <a href='mailto:${initParam.footerEmail}'>Contact me</a>
C) <a href='mailto:${footerEmail}'>Contact me</a>
D) <a href='mailto:${contextParam@footerEmail}'>Contact me</a>
E) <a href='mailto:${contextParam.footerEmail}'>Contact me</a>

5. Which defines the welcome files in a web application deployment descriptor?

A) <welcome>
<welcome-file>/welcome.jsp</welcome-file>
</welcome>
<welcome>
<welcome-file>/index.html</welcome-file>
</welcome>
B) <welcome-file-list>
<welcome-file>welcome.jsp</welcome-file>
<welcome-file>index.html</welcome-file>
</welcome-file-list>
C) <welcome>
<welcome-file>
<welcome-name>Welcome</welcome-name>
<location>welcome.jsp</location>
</welcome-file>
<welcome-file>
<welcome-name>Index</welcome-name>
<location>index.html</location>
</welcome-file>
</welcome>
D) <welcome>
<welcome-file>welcome.jsp</welcome-file>
</welcome>
<welcome>
<welcome-file>index.html</welcome-file>
</welcome>
E) <welcome-file-list>
<welcome-file>/welcome.jsp</welcome-file>
<welcome-file>/index.html</welcome-file>
</welcome-file-list>

Solutions: