Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
Certification Provider: Oracle
Corresponding Certification: Java Technology
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Oracle 1Z0-858 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: JSTL and Custom Tag Development | 12% | - Tag handler lifecycle - JSTL core and formatting tags - Tag files and descriptors |
| Topic 2: Servlet Technology Model | 15% | - Servlet lifecycle - Servlet configuration and initialization - Request and response handling |
| Topic 3: Web Application Structure and Deployment | 10% | - Deployment descriptor (web.xml) - Annotations for configuration - WAR file structure |
| Topic 4: Expression Language (EL) and Standard Actions | 10% | - EL syntax and operators - Standard JSP actions - Accessing JavaBeans and collections |
| Topic 5: Session Management | 10% | - Session lifecycle - Session tracking mechanisms - Session attributes and scope |
| Topic 6: Web Application Security | 12% | - Data protection and transport security - Authorization and roles - Authentication methods |
| Topic 7: Web Container Model | 10% | - Container services - Filters and interceptors - Event listeners |
| Topic 8: JSP Technology Model | 13% | - Elements and syntax - JSP lifecycle - Implicit objects |
| Topic 9: Design Patterns and Architecture | 8% | - Service Locator, Business Delegate - Intercepting Filter, Front Controller - MVC pattern |
Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
All of your JSPs need to have a link that permits users to email the web master. This web application is licensed to many small businesses, each of which have a different email address for the web master. You have decided to use a context parameter that you specify in the deployment descriptor, like this:
42.
<context-param>
43.
<param-name>webmasterEmail</param-name>
44.
<param-value>[email protected]</param-value>
45.
</context-param>
Which JSP code snippet creates this email link?
- A. <a href='mailto:${contextParam.webmasterEmail}'>contact us</a>
- B. <a href='mailto:${contextInitParam.webmasterEmail}'>contact us</a>
- C. <a href='mailto:${initParam.webmasterEmail}'>contact us</a>
- D. <a href='mailto:${applicationScope.webmasterEmail}'>contact us</a>
Correct Answer: C 🗳️
You have built a collection of custom tags for your web application. The TLD file is located in the file: /WEB-INF/myTags.xml. You refer to these tags in your JSPs using the symbolic name: myTags. Which deployment descriptor element must you use to make this link between the symbolic name and the TLD file name?
- A. <taglib>
<name>myTags</name>
<location>/WEB-INF/myTags.xml</location>
</taglib> - B. <tags>
<tags-uri>myTags</taglib-uri>
<tags-location>/WEB-INF/myTags.xml</tags-location>
</tags> - C. <taglib>
<taglib-uri>myTags</taglib-uri>
<taglib-location>/WEB-INF/myTags.xml</taglib-location>
</taglib> - D. <tags>
<name>myTags</name>
<location>/WEB-INF/myTags.xml</location>
</tags>
Correct Answer: C 🗳️
You are writing a JSP that includes scriptlet code to declare a List variable and initializes that variable to an ArrayList object. Which two JSP code snippets can you use to import these list types? (Choose two.)
- A. <%@ page import='java.util.List'
import='java.util.ArrayList' %> - B. <%@ import types='java.util.List,java.util.ArrayList' %>
- C. <%@ page import='java.util.List,java.util.ArrayList' %>
- D. <%! import java.util.*; %>
- E. <%@ import types='java.util.List' types='java.util.ArrayList' %>
- F. <%! import java.util.List; import java.util.ArrayList; %>
Correct Answer: A,C 🗳️
A JSP page needs to set the property of a given JavaBean to a value that is calculated with the JSP page. Which three jsp:setProperty attributes must be used to perform this initialization? (Choose three.)
- A. attribute
- B. property
- C. value
- D. name
- E. id
- F. val
- G. param
Correct Answer: B,C,D 🗳️
Which two prevent a servlet from handling requests? (Choose two.)
- A. The servlet's init method returns a non-zero status.
- B. The servlet's init method throws a ServletException.
- C. The servlet's init method sets the ServletResponse's content length to 0.
- D. The servlet's init method does NOT return within a time period defined by the servlet container.
- E. The servlet's init method sets the ServletResponse's content type to null.
Correct Answer: B,D 🗳️
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