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Oracle 1Z0-858 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Servlet Technology | - Filters and listeners - Request and response handling - Servlet lifecycle and architecture - Session management |
| Topic 2: Web Application Security | - Declarative security - Authentication and authorization |
| Topic 3: Web Application Design and Architecture | - Deployment descriptors (web.xml) - Model-View-Controller (MVC) pattern |
| Topic 4: Web Application Deployment | - Application server configuration - Packaging and deployment of WAR files |
| Topic 5: JavaServer Pages (JSP) | - Expression Language (EL) - Custom tags and JSTL - JSP syntax and lifecycle |
Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
Question 1
Which statement is true about web container session management?
A. Access to session-scoped attributes is guaranteed to be thread-safe by the web container.
B. To activate URL rewriting, the developer must use the HttpServletResponse.setURLRewriting method.
C. The JSESSIONID cookie is stored permanently on the client so that a user may return to the web application and the web container will rejoin that session.
D. If the web application uses HTTPS, then the web container may use the data on the HTTPS request stream to identify the client.
Question 2
Assume that a news tag library contains the tags lookup and item:
lookup Retrieves the latest news headlines and executes the tag body once for each headline. Exposes a NESTED page-scoped attribute called headline of type
com.example.Headline containing details for that headline.
item Outputs the HTML for a single news headline. Accepts an attribute info of type com.example.Headline containing details for the headline to be rendered.Which snippet of JSP code returns the latest news headlines in an HTML table, one per row?
A. <table>
<news:lookup>
<tr>
<td><news:item info="${headline}" /></td>
</tr>
</news:lookup>
</table>
B. <news:lookup />
<table>
<tr>
<td><news:item info="${headline}" /></td>
</tr>
</table>
C. <table>
<tr>
<news:lookup>
<td><news:item info="${headline}" /></td>
</news:lookup>
</tr>
</table>
D. <table>
<tr>
<td>
<news:lookup />
<news:item info="${headline}" />
</td>
</tr>
</table>
Question 3
Which interface must a session attribute implement if it needs to be notified when a web container persists a session?
A. javax.servlet.http.HttpSessionBindingListener
B. javax.servlet.http.HttpSessionAttributeListener
C. javax.servlet.http.HttpSessionActivationListener
D. javax.servlet.http.HttpSessionListener
Question 4
What is true about Java EE authentication mechanisms?
A. If your deployment descriptor correctly declares an authentication type of BASIC, the container automatically requests a user name and password whenever a user starts a new session.
B. If your deployment descriptor correctly declares an authentication type of CLIENT_CERT, your users must have a certificate from an official source before they can use your application.
C. To use Java EE FORM authentication, you must declare two HTML files in your deployment descriptor, and you must use a predefined action in the HTML file that handles your user's login.
D. If you want your web application to support the widest possible array of browsers, and you want to perform authentication, the best choice of Java EE authentication mechanisms is DIGEST.
Question 5
A custom tag is defined to take three attributes. Which two correctly invoke the tag within a JSP page? (Choose two.)
A. <prefix:myTag>
<jsp:attribute ${"foo", "bar", "baz"} />
</prefix:myTag>
B. <prefix:myTag>
<jsp:attribute name="a">foo</jsp:attribute>
<jsp:attribute name="b">bar</jsp:attribute> <jsp:attribute name="c">baz</jsp:attribute> </prefix:myTag>
C. <prefix:myTag attributes={"foo","bar","baz"} />
D. <prefix:myTag a="foo" b="bar" c="baz" />
E. <prefix:myTag>
<jsp:attribute a:foo b:bar c:baz />
</prefix:myTag>
F. <prefix:myTag>
<jsp:attribute a="foo" b="bar" c="baz"/>
</prefix:myTag>
G. <prefix:myTag jsp:attribute a="foo" b="bar" c="baz" />
Solutions:
| Question 1 Answer: D | Question 2 Answer: A | Question 3 Answer: C | Question 4 Answer: C | Question 5 Answer: B,D |






