Oracle 1Z0-858 Q&A - in .pdf

  • 1Z0-858 pdf
  • Exam Code: 1Z0-858
  • Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
  • Updated: Aug 17, 2026
  • Q & A: 276 Questions and Answers
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Oracle 1Z0-858 Exam Syllabus Topics:
SectionObjectives
Topic 1: Deployment and Configuration- Web application packaging
  • 1. WAR file structure
    • 2. Deployment descriptors (web.xml)
      Topic 2: Web Application Security- Authentication and authorization
      • 1. Declarative security in web.xml
        • 2. Role-based access control
          - Secure communication
          • 1. Session security considerations
            • 2. HTTPS configuration
              Topic 3: Servlet Technology- Servlet fundamentals
              • 1. Servlet lifecycle and methods
                • 2. Request and response objects
                  - Filters and listeners
                  • 1. Event listeners (context/session/request)
                    • 2. Filter chaining and configuration
                      - Session management
                      • 1. Cookies and URL rewriting
                        • 2. HttpSession usage
                          Topic 4: Web Application Architecture- Java EE Web tier overview
                          • 1. Request/response lifecycle
                            • 2. Servlet container architecture
                              Topic 5: JavaServer Pages (JSP)- JSP fundamentals
                              • 1. JSP lifecycle
                                • 2. JSP implicit objects
                                  - JSP tag libraries
                                  • 1. JSTL core tags
                                    • 2. Custom tags
                                      Topic 6: Expression Language (EL)- EL syntax and usage
                                      • 1. Accessing scoped variables
                                        • 2. Operators and functions
                                          Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:

                                          1. Which three are described in the standard web application deployment descriptor? (Choose three.)

                                          A) servlet instance pool configuration
                                          B) ServletContext initialization parameters
                                          C) session configuration
                                          D) web container default port bindings
                                          E) context root for the application
                                          F) MIME type mappings


                                          2. Which JSP standard action can be used to import content from a resource called foo.jsp?

                                          A) <jsp:import>foo.jsp</jsp:import>
                                          B) <jsp:include page='foo.jsp' />
                                          C) <jsp:include file='foo.jsp' />
                                          D) <jsp:import page='foo.jsp' />
                                          E) <jsp:include>foo.jsp</jsp:include>
                                          F) <jsp:import file='foo.jsp' />


                                          3. A developer is designing a multi-tier web application and discovers a need to hide the details of establishing and maintaining remote communications from the client. In addition, because the business and resource tiers are distributed, the application needs to minimize the inter-tier network traffic related to servicing client requests. Which design patterns, working together, address these issues?

                                          A) Business Delegate and Transfer Object
                                          B) Model-View-Controller and Intercepting Filter
                                          C) Front Controller and Transfer Object
                                          D) Business Delegate and Intercepting Filter
                                          E) Front Controller and Service Locator


                                          4. Which two are characteristics of the Intercepting Filter pattern? (Choose two.)

                                          A) It reduces coupling between presentation-tier clients and underlying business services.
                                          B) It can be added and removed unobtrusively, without requiring changes to existing code.
                                          C) It provides centralized request handling for incoming requests.
                                          D) It allows preprocessing and postprocessing on the incoming requests and outgoing responses.
                                          E) It forces resource authentication to be distributed across web components.


                                          5. Which JSTL code snippet produces the output "big number" when X is greater than 42, but outputs "small number" in all other cases?

                                          A) <c:if>
                                          <c:then test='<%= (X > 42) %>'>big number</c:then>
                                          <c:else>small number</c:else> </c:if>
                                          B) <c:choose test='<%= (X > 42) %>'>
                                          <c:when>big number</c:when>
                                          <c:otherwise>small number</c:otherwise>
                                          </c:choose>
                                          C) <c:choose test='<%= (X > 42) %>'>
                                          <c:then>big number</c:when>
                                          <c:else>small number</c:otherwise>
                                          </c:choose>
                                          D) <c:choose>
                                          <c:when test='<%= (X > 42) %>'>big number</c:when>
                                          <c:otherwise>small number</c:otherwise>
                                          </c:choose>
                                          E) <c:if test='<%= (X > 42) %>'>
                                          <c:then>big number</c:then>
                                          <c:else>small number</c:else>
                                          </c:if>


                                          Solutions:

                                          Question # 1
                                          Answer: B,C,F
                                          Question # 2
                                          Answer: B
                                          Question # 3
                                          Answer: A
                                          Question # 4
                                          Answer: B,D
                                          Question # 5
                                          Answer: D

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