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Oracle 1Z0-858 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Web Container Model | 10% | - Event listeners - Container services - Filters and interceptors |
| Web Application Structure and Deployment | 10% | - WAR file structure - Annotations for configuration - Deployment descriptor (web.xml) |
| Servlet Technology Model | 15% | - Servlet lifecycle - Request and response handling - Servlet configuration and initialization |
| Web Application Security | 12% | - Authentication methods - Authorization and roles - Data protection and transport security |
| Design Patterns and Architecture | 8% | - MVC pattern - Service Locator, Business Delegate - Intercepting Filter, Front Controller |
| Expression Language (EL) and Standard Actions | 10% | - Standard JSP actions - EL syntax and operators - Accessing JavaBeans and collections |
| Session Management | 10% | - Session lifecycle - Session tracking mechanisms - Session attributes and scope |
| JSTL and Custom Tag Development | 12% | - JSTL core and formatting tags - Tag handler lifecycle - Tag files and descriptors |
| JSP Technology Model | 13% | - Implicit objects - JSP lifecycle - Elements and syntax |
Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
1. For which three events can web application event listeners be registered? (Choose three.)
A) after a servlet is destroyed
B) when a servlet has forwarded a request
C) when a session has timed out
D) when a session attribute value is changed
E) when a session is created
F) when a cookie has been created
2. 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) <tags>
<name>myTags</name>
<location>/WEB-INF/myTags.xml</location>
</tags>
B) <tags>
<tags-uri>myTags</taglib-uri>
<tags-location>/WEB-INF/myTags.xml</tags-location>
</tags>
C) <taglib>
<name>myTags</name>
<location>/WEB-INF/myTags.xml</location>
</taglib>
D) <taglib>
<taglib-uri>myTags</taglib-uri>
<taglib-location>/WEB-INF/myTags.xml</taglib-location>
</taglib>
3. Assume the scoped attribute priority does NOT yet exist. Which two create and set a new request-scoped attribute priority to the value "medium"? (Choose two.)
A) <c:set property="priority" scope="request">medium</c:set>
B) <c:set var="priority" value="medium" />
C) <c:set var="priority" scope="request">medium</c:set>
D) <c:set var="priority" value="medium" scope="request" />
E) ${requestScope['priority'] = 'medium'}
F) <c:set property="priority" value="medium" scope="request" />
G) ${priority = 'medium'}
4. If you want to use the Java EE platform's built-in type of authentication that uses a custom HTML page for authentication, which two statements are true? (Choose two.)
A) The related custom HTML login page must be named loginPage.html.
B) In the HTML related to authentication for this application, you must use predefined variable names for the variables that store the user and password values.
C) You must have a tag in your deployment descriptor that allows you to point to both a login HTML page and an HTML page for handling any login errors.
D) Your deployment descriptor will need to contain this tag: <auth-method>CUSTOM</auth-method>.
E) When you use this type of authentication, SSL is turned on automatically.
5. Assume the custom tag my:errorProne always throws a java.lang.RuntimeException with the message "File not found."
An error page has been configured for this JSP page.
Which option prevents the exception thrown by my:errorProne from invoking the error page mechanism, and outputs the message "File not found" in the response?
A) <c:try>
<my:errorProne />
</c:try>
<c:catch var="ex" />
${ex.message}
B) <c:try catch="ex">
<my:errorProne />
</c:try>
${ex.message}
C) <c:try>
<my:errorProne />
<c:catch var="ex" />
${ex.message}
</c:try>
D) <my:errorProne>
<c:catch var="ex">
${ex.message}
</c:catch>
</my:errorProne>
E) <c:catch var="ex">
<my:errorProne />
</c:catch>
${ex.message}
Solutions:
| Question # 1 Answer: C,D,E | Question # 2 Answer: D | Question # 3 Answer: C,D | Question # 4 Answer: B,C | Question # 5 Answer: E |
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