Oracle 1Z0-858 : 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:

Question 1

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. property
B. name
C. id
D. param
E. value
F. attribute
G. val

Question 2

Which two statements about tag files are true? (Choose two.)

A. A file named foo.tag, located in /WEB-INF/tags/bar, is recognized as a tag file by the container.
B. Classic tag handlers and tag files CANNOT reside in the same tag library.
C. A file named foo.tag, bundled in a JAR file but NOT defined in a TLD, triggers a container translation error.
D. A file named foo.tag, located in a web application's root directory, is recognized as a tag file by the container.
E. If files foo1.tag and foo2.tag both reside in /WEB-INF/tags/bar, the container will consider them part of the same tag library.

Question 3

You are creating a servlet that generates stock market graphs. You want to provide the web browser with precise information about the amount of data being sent in the response stream. Which two HttpServletResponse methods will you use to provide this information? (Choose two.)

A. response.setLength(numberOfBytes);
B. response.setIntHeader("Content-Length", numberOfBytes);
C. response.setHeader("Content-Length", numberOfBytes);
D. response.setHeader("Length", numberOfBytes);
E. response.setIntHeader("Length", numberOfBytes);
F. response.setContentLength(numberOfBytes);

Question 4

Given the two security constraints in a deployment descriptor:
101.
<security-constraint>
102.
<!--a correct url-pattern and http-method goes here-->
103.
<auth-constraint><role-name>SALES</role-name></auth-
103.
<auth-constraint>
104.
<role-name>SALES</role-name>
105.
</auth-constraint>
106.
</security-constraint>
107.
<security-constraint>
108.
<!--a correct url-pattern and http-method goes here-->
109.
<!-- Insert an auth-constraint here -->
110.
</security-constraint>
If the two security constraints have the same url-pattern and http-method, which two, inserted independently at line 109, will allow users with role names of either SALES or MARKETING to access this resource? (Choose two.)

A. <auth-constraint/>
B. <auth-constraint> <role-name>ANY</role-name> </auth-constraint>
C. <auth-constraint> <role-name>*</role-name> </auth-constraint>
D. <auth-constraint> <role-name>MARKETING</role-name> </auth-constraint>

Question 5

A developer is designing a web application that makes many fine-grained remote data requests for each client request. During testing, the developer discovers that the volume of remote requests significantly degrades performance of the application. Which design pattern provides a solution for this problem?

A. Flyweight
B. Dispatcher View
C. Transfer Object
D. Business Delegate
E. Service Locator
F. Model-View-Controller

Solutions: