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Oracle 1Z0-858 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: JSP Technology Model	13%	- Elements and syntax - Implicit objects - JSP lifecycle
Topic 2: Session Management	10%	- Session lifecycle - Session attributes and scope - Session tracking mechanisms
Topic 3: Web Container Model	10%	- Event listeners - Filters and interceptors - Container services
Topic 4: Expression Language (EL) and Standard Actions	10%	- EL syntax and operators - Standard JSP actions - Accessing JavaBeans and collections
Topic 5: Servlet Technology Model	15%	- Servlet lifecycle - Servlet configuration and initialization - Request and response handling
Topic 6: Web Application Security	12%	- Data protection and transport security - Authentication methods - Authorization and roles
Topic 7: Web Application Structure and Deployment	10%	- Deployment descriptor (web.xml) - WAR file structure - Annotations for configuration
Topic 8: JSTL and Custom Tag Development	12%	- Tag files and descriptors - JSTL core and formatting tags - Tag handler lifecycle
Topic 9: Design Patterns and Architecture	8%	- Service Locator, Business Delegate - MVC pattern - Intercepting Filter, Front Controller

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

1. The Squeaky Beans Inc. shopping application was initially developed for a non-distributed environment. The company recently purchased the Acme Application Server, which supports distributed HttpSession objects. When deploying the application to the server, the deployer marks it as distributable in the web application deployment descriptor to take advantage of this feature.
Given this scenario, which two must be true? (Choose two.)

A) The J2EE web container must use the native JVM Serialization mechanism for distributing HttpSession objects.
B) The J2EE web container must support migration of objects that implement Serializable.
C) Storing references to Enterprise JavaBeans components in the HttpSession object might NOT be supported by J2EE web containers.
D) As per the specification, the J2EE web container ensures that distributed HttpSession objects will be stored in a database.

2. Given:
11.
public class MyServlet extends HttpServlet {
12.
public void service(HttpServletRequest request,
13.
HttpServletResponse response)
14.
throws ServletException, IOException {
15.
// insert code here
16.
}
17.
}
and this element in the web application's deployment descriptor:
<error-page> <error-code>302</error-code> <location>/html/error.html</location> </error-page>
Which, inserted at line 15, causes the container to redirect control to the error.html resource?

A) response.setError(302);
B) response.sendRedirect(302);
C) response.sendError(302);
D) response.setStatus(302);
E) response.sendErrorRedirect(302);

3. Given in a single JSP page:
<%@ taglib prefix='java' uri='myTags' %>
<%@ taglib prefix='JAVA' uri='moreTags' %>
Which two are true? (Choose two.)

A) The URI 'myTags' must be properly mapped to a TLD file by the web container.
B) For the tag usage <java:tag1/>, the tag1 must be unique in the union of tag names in 'myTags' and 'moreTags'.
C) A translation error occurs because the prefix is considered identical by the web container.
D) The prefix 'java' is reserved.

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

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

5. You have built a web application with tight security. Several directories of your webapp are used for internal purposes and you have overridden the default servlet to send an HTTP 403 status code for any request that maps to one of these directories. During testing, the Quality Assurance director decided that they did NOT like seeing the bare response page generated by Firefox and Internet Explorer. The director recommended that the webapp should return a more user-friendly web page that has the same look-and-feel as the webapp plus links to the webapp's search engine. You have created this JSP page in the /WEB-INF/jsps/error403.jsp file. You do NOT want to alter the complex logic of the default servlet. How can you declare that the web container must send this JSP page whenever a 403 status is generated?

A) <error-page>
<error-code>403</error-code>
<url>/WEB-INF/jsps/error403.jsp</url>
</error-page>
B) <error-page>
<status-code>403</status-code>
<location>/WEB-INF/jsps/error403.jsp</location>
</error-page>
C) <error-page>
<status-code>403</status-code>
<url>/WEB-INF/jsps/error403.jsp</url>
</error-page>
D) <error-page>
<error-code>403</error-code>
<location>/WEB-INF/jsps/error403.jsp</location>
</error-page>