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Oracle 1Z0-858 Exam Braindumps - in .pdf Free Demo

  • Exam Code: 1Z0-858
  • Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
  • Last Updated: Aug 02, 2026
  • Q & A: 276 Questions and Answers
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  • Exam Code: 1Z0-858
  • Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
  • Last Updated: Aug 02, 2026
  • Q & A: 276 Questions and Answers
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Oracle 1Z0-858 Exam Syllabus Topics:

SectionObjectives
Web Application Architecture- Java EE Web tier overview
  • 1. Servlet container architecture
    • 2. Request/response lifecycle
      Expression Language (EL)- EL syntax and usage
      • 1. Accessing scoped variables
        • 2. Operators and functions
          Web Application Security- Secure communication
          • 1. Session security considerations
            • 2. HTTPS configuration
              - Authentication and authorization
              • 1. Declarative security in web.xml
                • 2. Role-based access control
                  Servlet Technology- Servlet fundamentals
                  • 1. Request and response objects
                    • 2. Servlet lifecycle and methods
                      - Filters and listeners
                      • 1. Filter chaining and configuration
                        • 2. Event listeners (context/session/request)
                          - Session management
                          • 1. Cookies and URL rewriting
                            • 2. HttpSession usage
                              JavaServer Pages (JSP)- JSP tag libraries
                              • 1. JSTL core tags
                                • 2. Custom tags
                                  - JSP fundamentals
                                  • 1. JSP implicit objects
                                    • 2. JSP lifecycle
                                      Deployment and Configuration- Web application packaging
                                      • 1. Deployment descriptors (web.xml)
                                        • 2. WAR file structure

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

                                          1. Which two JSTL URL-related tags perform URL rewriting? (Choose two.)

                                          A) link
                                          B) import
                                          C) param
                                          D) url
                                          E) redirect


                                          2. DRAG DROP
                                          Click the Task button.
                                          Place the appropriate element names on the left on the web application deployment descriptor on the right so that files ending in ".mpg" are associated with the MIME type "video/mpeg."


                                          3. For debugging purposes, you need to record how many times a given JSP is invoked before the user's session has been created. The JSP's destroy method stores this information to a database. Which JSP code snippet keeps track of this count for the lifetime of the JSP page?

                                          A) <%! int count = 0; %>
                                          <% if ( request.getSession(false) == null ) count++; %>
                                          B) <%@ int count = 0; %>
                                          <% if ( request.getSession(false) == null ) count++; %>
                                          C) <%! int count = 0;
                                          if ( request.getSession(false) == null ) count++; %>
                                          D) <% int count = 0;
                                          if ( request.getSession(false) == null ) count++; %>
                                          E) <%@ int count = 0;
                                          if ( request.getSession(false) == null ) count++; %>


                                          4. You have a simple web application that has a single Front Controller servlet that dispatches to JSPs to generate a variety of views. Several of these views require further database processing to retrieve the necessary order object using the orderID request parameter. To do this additional processing, you pass the request first to a servlet that is mapped to the URL pattern /WEB-INF/retreiveOrder.do in the deployment descriptor. This servlet takes two request parameters, the orderID and the jspURL. It handles the database calls to retrieve and build the complex order objects and then it dispatches to the jspURL.
                                          Which code snippet in the Front Controller servlet dispatches the request to the order retrieval servlet?

                                          A) String T="/WEB-INF/retreiveOrder.do?orderID=%d&jspURL=%s";
                                          String url = String.format(T, orderID, jspURL);
                                          Dispatcher view
                                          = context.getDispatcher(url);
                                          view.forwardRequest(request, response);
                                          B) request.setAttribute("orderID", orderID);
                                          request.setAttribute("jspURL", jspURL);
                                          RequestDispatcher view
                                          = context.getRequestDispatcher("/WEB-INF/retreiveOrder.do");
                                          view.forward(request, response);
                                          C) String T="/WEB-INF/retreiveOrder.do?orderID=%d&jspURL=%s";
                                          String url = String.format(T, orderID, jspURL);
                                          RequestDispatcher view
                                          = context.getRequestDispatcher(url);
                                          view.forward(request, response);
                                          D) request.setParameter("orderID", orderID);
                                          request.setParameter("jspURL", jspURL);
                                          Dispatcher view
                                          = request.getDispatcher("/WEB-INF/retreiveOrder.do");
                                          view.forwardRequest(request, response);


                                          5. A custom tag is defined to take three attributes. Which two correctly invoke the tag within a JSP page? (Choose two.)

                                          A) <prefix:myTag>
                                          <jsp:attribute a="foo" b="bar" c="baz"/>
                                          </prefix:myTag>
                                          B) <prefix:myTag>
                                          <jsp:attribute a:foo b:bar c:baz />
                                          </prefix:myTag>
                                          C) <prefix:myTag a="foo" b="bar" c="baz" />
                                          D) <prefix:myTag attributes={"foo","bar","baz"} />
                                          E) <prefix:myTag jsp:attribute a="foo" b="bar" c="baz" />
                                          F) <prefix:myTag>
                                          <jsp:attribute name="a">foo</jsp:attribute>
                                          <jsp:attribute name="b">bar</jsp:attribute> <jsp:attribute name="c">baz</jsp:attribute> </prefix:myTag>
                                          G) <prefix:myTag>
                                          <jsp:attribute ${"foo", "bar", "baz"} />
                                          </prefix:myTag>


                                          Solutions:

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

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