Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional : 1Z0-858

1Z0-858 real exams

Exam Code: 1Z0-858

Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam

Updated: Aug 05, 2026

Q & A: 276 Questions and Answers

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Oracle 1Z0-858 Exam Syllabus Topics:

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

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

1. 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.c}
B) ${map.(map.b)}
C) ${map[map.b]}
D) ${map["c"]}
E) ${map[c]}
F) ${map.map.b}


2. 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.setHeader("Content-Length", numberOfBytes);
B) response.setLength(numberOfBytes);
C) response.setContentLength(numberOfBytes);
D) response.setHeader("Length", numberOfBytes);
E) response.setIntHeader("Length", numberOfBytes);
F) response.setIntHeader("Content-Length", numberOfBytes);


3. DRAG DROP
Click the Task button.
Given a servlet mapped to /control, place the correct URI segment returned as a String on the corresponding HttpServletRequest method call for the URI: /myapp/control/processorder.


4. 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) <b></b>
B) <b>12</b>
C) The JSP fails to execute.
D) <% int i = 12 %> <b><%= i %></b>


5. You need to store a Java long primitive attribute, called customerOID, into the session scope. Which two code snippets allow you to insert this value into the session? (Choose two.)

A) long customerOID = 47L; session.setNumericAttribute("customerOID", customerOID);
B) long customerOID = 47L; session.setLongAttribute("customerOID", customerOID);
C) long customerOID = 47L; session.setAttribute("customerOID", new Long(customerOID));
D) long customerOID = 47L; session.setAttribute("customerOID", customerOID);
E) long customerOID = 47L; session.setNumericAttribute("customerOID", new Long(customerOID));
F) long customerOID = 47L; session.setLongAttribute("customerOID", new Long(customerOID));


Solutions:

Question # 1
Answer: A,C,D
Question # 2
Answer: C,F
Question # 3
Answer: Only visible for members
Question # 4
Answer: C
Question # 5
Answer: C,D

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