Oracle 1Z0-858 Q&A - in .pdf

  • 1Z0-858 pdf
  • Exam Code: 1Z0-858
  • Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
  • Updated: Oct 09, 2026
  • Q & A: 276 Questions and Answers
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  • Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
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  • Updated: Oct 09, 2026
  • Q & A: 276 Questions and Answers
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  • Q & A: 276 Questions and Answers
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Oracle 1Z0-858 Exam Syllabus Topics:

SectionObjectives
Topic 1: Servlet Technology- Servlet lifecycle and architecture
- Session management
- Request and response handling
- Filters and listeners
Topic 2: Web Application Deployment- Application server configuration
- Packaging and deployment of WAR files
Topic 3: Web Application Security- Authentication and authorization
- Declarative security
Topic 4: JavaServer Pages (JSP)- JSP syntax and lifecycle
- Custom tags and JSTL
- Expression Language (EL)
Topic 5: Web Application Design and Architecture- Deployment descriptors (web.xml)
- Model-View-Controller (MVC) pattern

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

Question #1

Given the security constraint in a DD:
101.
<security-constraint>
102.
<web-resource-collection>
103.
<web-resource-name>Foo</web-resource-name>
104.
<url-pattern>/Bar/Baz/*</url-pattern>
105.
<http-method>POST</http-method>
106.
</web-resource-collection>
107.
<auth-constraint>
108.
<role-name>DEVELOPER</role-name>
109.
</auth-constraint>
110.
</security-constraint>
And given that "MANAGER" is a valid role-name, which four are true for this security constraint? (Choose four.)

  • A. DEVELOPER can do a GET on resources in the /Bar/Baz directory.
  • B. DEVELOPER can do a TRACE on any resource in the /Bar/Baz directory.
  • C. MANAGER can do a TRACE on any resource in the /Bar/Baz directory.
  • D. MANAGER can do a POST on any resource in the /Bar/Baz directory.
  • E. DEVELOPER can do only a POST on resources in the /Bar/Baz directory.
  • F. MANAGER can do a GET on resources in the /Bar/Baz directory.
Reveal Solution  Discussion  0

Correct Answer: A,B,C,F  🗳️

Question #2

A developer wants a web application to be notified when the application is about to be shut down. Which two actions are necessary to accomplish this goal? (Choose two.)

  • A. include a class implementing HttpSessionAttributeListener as part of the web application deployment
  • B. include a listener directive in a JSP page
  • C. include a class implementing ContextDestroyedListener as part of the web application deployment
  • D. configure a listener in the TLD file using the <listener> element
  • E. include a class implementing ServletContextListener as part of the web application deployment
  • F. include a <servlet-destroy> element in the web application deployment descriptor
  • G. configure a listener in the application deployment descriptor, using the <listener> element
Reveal Solution  Discussion  0

Correct Answer: E,G  🗳️

Question #3

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 a="foo" b="bar" c="baz" />
  • B. <prefix:myTag>
    <jsp:attribute a="foo" b="bar" c="baz"/> </prefix:myTag>
  • C. <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>
  • D. <prefix:myTag>
    <jsp:attribute a:foo b:bar c:baz />
    </prefix:myTag>
  • E. <prefix:myTag>
    <jsp:attribute ${"foo", "bar", "baz"} />
    </prefix:myTag>
  • F. <prefix:myTag a="foo" b="bar" c="baz" />
  • G. <prefix:myTag attributes={"foo","bar","baz"} />
Reveal Solution  Discussion  0

Correct Answer: C,F  🗳️

Question #4

Which three are true about TLD files? (Choose three.)

  • A. The web container can generate an implicit TLD file for a tag library comprised of both simple tag handlers and tag files.
  • B. A tag handler's attribute must be included in the TLD file only if the attribute can accept request-time expressions.
  • C. The web container can automatically extend the tag library map described in a web.xml file by including entries extracted from the web application's TLD files.
  • D. The web container recognizes TLD files placed in any subdirectory of WEB-INF.
  • E. When deployed inside a JAR file, TLD files must be in the META-INF directory, or a subdirectory of it.
Reveal Solution  Discussion  0

Correct Answer: C,D,E  🗳️

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. Model-View-Controller
  • B. Dispatcher View
  • C. Service Locator
  • D. Flyweight
  • E. Transfer Object
  • F. Business Delegate
Reveal Solution  Discussion  0

Correct Answer: E  🗳️

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