Oracle : 1Z0-858 Questions & Answers
Updated: Aug 06, 2026
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Oracle 1Z0-858 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Session Management | 10% | - Session tracking mechanisms - Session lifecycle - Session attributes and scope |
| Topic 2: Servlet Technology Model | 15% | - Servlet configuration and initialization - Request and response handling - Servlet lifecycle |
| Topic 3: JSTL and Custom Tag Development | 12% | - JSTL core and formatting tags - Tag handler lifecycle - Tag files and descriptors |
| Topic 4: Web Container Model | 10% | - Container services - Filters and interceptors - Event listeners |
| Topic 5: Web Application Structure and Deployment | 10% | - WAR file structure - Deployment descriptor (web.xml) - Annotations for configuration |
| Topic 6: Design Patterns and Architecture | 8% | - Intercepting Filter, Front Controller - Service Locator, Business Delegate - MVC pattern |
| Topic 7: JSP Technology Model | 13% | - Elements and syntax - JSP lifecycle - Implicit objects |
| Topic 8: Web Application Security | 12% | - Authorization and roles - Data protection and transport security - Authentication methods |
| Topic 9: Expression Language (EL) and Standard Actions | 10% | - EL syntax and operators - Standard JSP actions - Accessing JavaBeans and collections |
Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
1. Which EL expression evaluates to the request URI?
A) ${request.requestURI}
B) ${request.URI}
C) ${pageContext.request.requestURI}
D) ${requestScope.requestURI}
E) ${requestURI}
F) ${requestScope.request.requestURI}
G) ${request.getURI}
2. All of your JSPs need to have a link that permits users to email the web master. This web application is licensed to many small businesses, each of which have a different email address for the web master. You have decided to use a context parameter that you specify in the deployment descriptor, like this:
42.
<context-param>
43.
<param-name>webmasterEmail</param-name>
44.
<param-value>[email protected]</param-value>
45.
</context-param>
Which JSP code snippet creates this email link?
A) <a href='mailto:${initParam.webmasterEmail}'>contact us</a>
B) <a href='mailto:${contextInitParam.webmasterEmail}'>contact us</a>
C) <a href='mailto:${applicationScope.webmasterEmail}'>contact us</a>
D) <a href='mailto:${contextParam.webmasterEmail}'>contact us</a>
3. Given an HttpSession session, a ServletRequest request, and a ServletContext context, which retrieves a URL to /WEB-INF/myconfig.xml within a web application?
A) session.getResource("/WEB-INF/myconfig.xml")
B) getClass().getResource("/WEB-INF/myconfig.xml")
C) request.getResource("/WEB-INF/myconfig.xml")
D) context.getResource("/WEB-INF/myconfig.xml")
4. A developer has created a special servlet that is responsible for generating XML content that is sent to a data warehousing subsystem. This subsystem uses HTTP to request these large data files, which are compressed by the servlet to save internal network bandwidth. The developer has received a request from management to create several more of these data warehousing servlets. The developer is about to copy and paste the compression code into each new servlet. Which design pattern can consolidate this compression code to be used by all of the data warehousing servlets?
A) Intercepting Filter
B) Facade
C) View Helper
D) Transfer Object
E) Composite Facade
5. Given:
6.<myTag:foo bar='42'>
7.<%="processing" %>
8.</myTag:foo>
and a custom tag handler for foo which extends TagSupport.
Which two are true about the tag handler referenced by foo? (Choose two.)
A) The doAfterBody method is NOT called.
B) The doStartTag method is called once.
C) The SKIP_PAGE constant is a valid return value for the doStartTag method.
D) The EVAL_PAGE constant is a valid return value for the doEndTag method.
E) The EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: B,D |
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