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Oracle 1Z0-858 Exam Overview:

Certification Vendor:Oracle
Exam Name:Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
Exam Number:1Z0-858
Passing Score:Not publicly disclosed (historically around 70%)
Available Languages:English
Certificate Validity Period:Non-expiring (legacy Oracle certification policy)
Exam Price:USD 245 (historical, may vary by region)
Exam Format:Scenario-based Questions, Multiple Choice
Related Certifications:Oracle Certified Associate, Java SE
Oracle Certified Professional, Java EE 5 Developer
Real Exam Qty:Approximately 60
Exam Duration:150 minutes
Recommended Training:Oracle University Java EE Web Component Training
Exam Registration:Pearson VUE Oracle Exams
Oracle Certification Registration
Sample Questions: DOWNLOAD DEMO
Exam Way:Pearson VUE test center or online proctored exam (depending on availability)
Pre Condition:Basic knowledge of Java SE programming is strongly recommended.
Official Syllabus URL:https://education.oracle.com

Oracle 1Z0-858 Exam Syllabus Topics:

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

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The official Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional outline distributes its emphasis like this:
  • Web Application Security ()
  • Servlet Technology ()
  • JavaServer Pages (JSP) ()
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Basic knowledge of Java SE programming is strongly recommended.

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

Question #1

DRAG DROP
Click the Task button.
Place the corresponding resources and directories in the proper web application deployment structure.

Reveal Solution  Discussion  0

Correct Answer:

Question #2

Which two directives are applicable only to tag files? (Choose two.)

  • A. tag
  • B. taglib
  • C. page
  • D. variable
  • E. include
Reveal Solution  Discussion  0

Correct Answer: A,D  🗳️

Question #3

Given:
11.
public class MyServlet extends HttpServlet {
12.
public void service(HttpServletRequest request,
13.
HttpServletResponse response)
14.
throws ServletException, IOException {
15.
// insert code here
16.
}
17.
}
and this element in the web application's deployment descriptor:
<error-page> <error-code>302</error-code> <location>/html/error.html</location> </error-page>
Which, inserted at line 15, causes the container to redirect control to the error.html resource?

  • A. response.sendError(302);
  • B. response.setError(302);
  • C. response.setStatus(302);
  • D. response.sendRedirect(302);
  • E. response.sendErrorRedirect(302);
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #4

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:${contextParam.webmasterEmail}'>contact us</a>
  • B. <a href='mailto:${applicationScope.webmasterEmail}'>contact us</a>
  • C. <a href='mailto:${contextInitParam.webmasterEmail}'>contact us</a>
  • D. <a href='mailto:${initParam.webmasterEmail}'>contact us</a>
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #5

Given a JSP page:
11.
<n:recurse>
12.
<n:recurse>
13.
<n:recurse>
14.
<n:recurse />
15.
</n:recurse>
16.
</n:recurse>
17.
</n:recurse>
The tag handler for n:recurse extends SimpleTagSupport.
Assuming an n:recurse tag can either contain an empty body or another n:recurse tag, which strategy allows the tag handler for n:recurse to output the nesting depth of the deepest n:recurse tag?

  • A. Create a private non-static attribute in the tag handler class called count of type int initialized to 0. Increment count in the doTag method. If the tag has a body, invoke the fragment for that body. Otherwise, output the value of count.
  • B. It is impossible to determine the deepest nesting depth because it is impossible for tag handlers that extend SimpleTagSupport to communicate with their parent and child tags.
  • C. If the tag has a body, invoke the fragment for that body.Otherwise, start a counter at 1. Call getParent(). If it returns null, output the value of the counter Otherwise, increment the counter and continue from where getParent() is called.
  • D. Start a counter at 1. Call getChildTags(). If it returns null, output the value of the counter. Otherwise, increment counter and continue from where getChildTags() is called. Skip processing of the body.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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