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Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional : 1Z0-858
- Exam Code: 1Z0-858
- Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
- Updated: Sep 28, 2026
- Q & A: 276 Questions and Answers
About Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional : 1Z0-858 Exam
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Oracle 1Z0-858 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: JSP Technology Model | 13% | - JSP lifecycle - Elements and syntax - Implicit objects |
| Topic 2: Web Container Model | 10% | - Event listeners - Container services - Filters and interceptors |
| Topic 3: Expression Language (EL) and Standard Actions | 10% | - Accessing JavaBeans and collections - EL syntax and operators - Standard JSP actions |
| Topic 4: Session Management | 10% | - Session attributes and scope - Session lifecycle - Session tracking mechanisms |
| Topic 5: Web Application Structure and Deployment | 10% | - WAR file structure - Annotations for configuration - Deployment descriptor (web.xml) |
| Topic 6: Servlet Technology Model | 15% | - Servlet lifecycle - Servlet configuration and initialization - Request and response handling |
| Topic 7: JSTL and Custom Tag Development | 12% | - JSTL core and formatting tags - Tag handler lifecycle - Tag files and descriptors |
| Topic 8: Design Patterns and Architecture | 8% | - Intercepting Filter, Front Controller - Service Locator, Business Delegate - MVC pattern |
| Topic 9: Web Application Security | 12% | - Data protection and transport security - Authorization and roles - Authentication methods |
Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
Question #1
Given this fragment in a servlet:
23.
if(req.isUserInRole("Admin")) {
24.
// do stuff
25.
}
And the following fragment from the related Java EE deployment descriptor:
812.
<security-role-ref>
813.
<role-name>Admin</role-name>
814.
<role-link>Administrator</role-link>
815.
</security-role-ref>
900.
<security-role>
901.
<role-name>Admin</role-name>
902.
<role-name>Administrator</role-name>
903.
</security-role>
What is the result?
- A. If line 24 executes the user's role will NOT be predictable.
- B. If line 24 executes, the user's role will be Administrator.
- C. The deployment descriptor is NOT valid.
- D. Line 24 can never be reached.
- E. If line 24 executes, the user's role will be Admin.
Correct Answer: B 🗳️
Question #2
Which two directives are applicable only to tag files? (Choose two.)
- A. taglib
- B. tag
- C. variable
- D. include
- E. page
Correct Answer: B,C 🗳️
Question #3
You are building a dating web site. The client's date of birth is collected along with lots of other information. You have created an EL function with the signature: calcAge(java.util.Date):int and it is assigned to the name, age, in the namespace, funct. In one of your JSPs you need to print a special message to clients who are younger than 25. Which EL code snippet will return true for this condition?
- A. ${funct:age(client.birthDate) < 25}
- B. ${funct:age[client.birthDate] < 25}
- C. ${funct:calcAge[client.birthDate] < 25}
- D. ${funct:calcAge(client.birthDate) < 25}
- E. ${calcAge[client.birthDate] < 25}
- F. ${calcAge(client.birthDate) < 25}
Correct Answer: A 🗳️
Question #4
A developer is designing a web application that must support multiple interfaces, including:
an XML web service for B2B HTML for web-based clients WML for wireless customers
Which design pattern provides a solution for this problem?
- A. Data Access Object
- B. Model-View-Controller
- C. Session Facade
- D. Chain of Responsibility
- E. Business Delegate
Correct Answer: B 🗳️
Question #5
Given:
11.
<% java.util.Map map = new java.util.HashMap();
12.
request.setAttribute("map", map);
13.
map.put("a", "b");
14.
map.put("b", "c");
15.
map.put("c", "d"); %>
16.
<%-- insert code here --%>
Which three EL expressions, inserted at line 16, are valid and evaluate to "d"? (Choose three.)
- A. ${map.(map.b)}
- B. ${map[map.b]}
- C. ${map.map.b}
- D. ${map["c"]}
- E. ${map.c}
- F. ${map[c]}
Correct Answer: B,D,E 🗳️
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