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Oracle 1Z0-858 Q&A - in .pdf
- Exam Code: 1Z0-858
- Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
- Updated: Sep 10, 2026
- Q & A: 276 Questions and Answers
- Convenient, easy to study.
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- Updated: Sep 10, 2026
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Oracle 1Z0-858 Q&A - Testing Engine
- Exam Code: 1Z0-858
- Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
- Updated: Sep 10, 2026
- Q & A: 276 Questions and Answers
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Oracle 1Z0-858 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Servlet Technology Model | 15% | - Servlet configuration and initialization - Request and response handling - Servlet lifecycle |
| Expression Language (EL) and Standard Actions | 10% | - EL syntax and operators - Standard JSP actions - Accessing JavaBeans and collections |
| Session Management | 10% | - Session attributes and scope - Session lifecycle - Session tracking mechanisms |
| Web Container Model | 10% | - Event listeners - Container services - Filters and interceptors |
| Web Application Security | 12% | - Authorization and roles - Data protection and transport security - Authentication methods |
| JSTL and Custom Tag Development | 12% | - Tag handler lifecycle - Tag files and descriptors - JSTL core and formatting tags |
| Design Patterns and Architecture | 8% | - Service Locator, Business Delegate - MVC pattern - Intercepting Filter, Front Controller |
| Web Application Structure and Deployment | 10% | - Annotations for configuration - WAR file structure - Deployment descriptor (web.xml) |
| JSP Technology Model | 13% | - Implicit objects - JSP lifecycle - Elements and syntax |
Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
Question #1
Given the element from the web application deployment descriptor:
<jsp-property-group> <url-pattern>/main/page1.jsp</url-pattern> <scripting-invalid>true</scripting-invalid> </jsp-property-group>
and given that /main/page1.jsp contains:
<% int i = 12; %> <b><%= i %></b> What is the result?
- A. <% int i = 12 %> <b><%= i %></b>
- B. <b></b>
- C. <b>12</b>
- D. The JSP fails to execute.
Correct Answer: D 🗳️
Question #2
Squeaky Beans Inc. hired an outside consultant to develop their web application. To finish the job quickly, the consultant created several dozen JSP pages that directly communicate with the database. The Squeaky business team has since purchased a set of business objects to model their system, and the Squeaky developer charged with maintaining the web application must now refactor all the JSPs to work with the new system. Which pattern can the developer use to solve this problem?
- A. Service Locator
- B. Intercepting Filter
- C. Transfer Object
- D. Business Delegate
Correct Answer: D 🗳️
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.setIntHeader("Length", numberOfBytes);
- B. response.setIntHeader("Content-Length", numberOfBytes);
- C. response.setHeader("Content-Length", numberOfBytes);
- D. response.setHeader("Length", numberOfBytes);
- E. response.setLength(numberOfBytes);
- F. response.setContentLength(numberOfBytes);
Correct Answer: B,F 🗳️
Question #4
Your company has a corporate policy that prohibits storing a customer's credit card number in any corporate database. However, users have complained that they do NOT want to reenter their credit card number for each transaction. Your management has decided to use client-side cookies to record the user's credit card number for 120 days. Furthermore, they also want to protect this information during transit from the web browser to the web container; so the cookie must only be transmitted over HTTPS. Which code snippet creates the "creditCard" cookie and adds it to the out going response to be stored on the user's web browser?
- A. 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setSecure(true);
12.
c.setAge(10368000);
13.
response.addCookie(c); - B. 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setSecure(true);
12.
c.setMaxAge(10368000);
13.
response.addCookie(c); - C. 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setHttps(true);
12.
c.setMaxAge(10368000);
13.
response.setCookie(c); - D. 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setHttps(true);
12.
c.setAge(10368000);
13.
response.addCookie(c); - E. 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setSecure(true);
12.
c.setAge(10368000);
13.
response.setCookie(c);
Correct Answer: B 🗳️
Question #5
Click the Exhibit button.
The h:highlight tag renders its body, highlighting an arbitrary number of words, each of which is passed as an attribute (word1, word2, ...). For example, a JSP page can invoke the h:highlight tag as follows:
11.
<h:highlight color="yellow" word1="high" word2="low">
12.
high medium low
13.
</h:highlight>
Given that HighlightTag extends SimpleTagSupport, which three steps are necessary to implement the tag handler for the highlight tag? (Choose three).
- A. implement the DynamicAttributes interface
- B. create and implement a TagExtraInfo class
- C. add a getter and setter for the word1 and word2 attributes
- D. add a doTag method
- E. add a doStartTag method
- F. add a getter and setter for the color attribute
Correct Answer: A,D,F 🗳️
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