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

  • Exam Code: 1Z0-858
  • Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
  • Updated: Oct 12, 2026
  • Q&As: 276 Questions and Answers

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Oracle 1Z0-858 Exam Syllabus Topics:

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

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

                                          Question #1

                                          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:choose>
                                            <c:when test='<%= (X > 42) %>'>big number</c:when>
                                            <c:otherwise>small number</c:otherwise>
                                            </c:choose>
                                          • B. <c:if>
                                            <c:then test='<%= (X > 42) %>'>big number</c:then>
                                            <c:else>small number</c:else> </c:if>
                                          • C. <c:choose test='<%= (X > 42) %>'>
                                            <c:then>big number</c:when>
                                            <c:else>small number</c:otherwise>
                                            </c:choose>
                                          • D. <c:choose test='<%= (X > 42) %>'>
                                            <c:when>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>
                                          Reveal Solution  Discussion  0

                                          Correct Answer: A  🗳️

                                          Question #2

                                          You need to store a floating point number, called Tsquare, in the session scope. Which two code snippets allow you to retrieve this value? (Choose two.)

                                          • A. float Tsquare = (float) session.getNumericAttribute("Tsquare");
                                          • B. float Tsquare = ((Float) session.getNumericAttribute.("Tsquare")).floatValue;
                                          • C. float Tsquare = (Float) session.getAttribute("Tsquare");
                                          • D. float Tsquare = ((Float) session.getAttribute.("Tsquare")).floatValue();
                                          • E. float Tsquare = ((Float) session.getFloatAttribute.("Tsquare")).floatValue;
                                          • F. float Tsquare = session.getFloatAttribute("Tsquare");
                                          Reveal Solution  Discussion  0

                                          Correct Answer: C,D  🗳️

                                          Question #3

                                          After a merger with another small business, your company has inherited a legacy WAR file but the original source files were lost. After reading the documentation of that web
                                          application, you discover that the WAR file contains a useful tag library that you want to reuse in your own webapp packaged as a WAR file.
                                          What do you need to do to reuse this tag library?

                                          • A. Simply rename the legacy WAR file as a JAR file and place it in your webapp's library directory.
                                          • B. Unpack the legacy WAR file, move the TLD file to the META-INF directory, move the class files to the top-level directory, repackage the WAR, and place that WAR file in your webapp's WEB-INF directory.
                                          • C. Unpack the legacy WAR file, move the TLD file to the META-INF directory, repackage the whole thing as a JAR file, and place that JAR file in your webapp's library directory.
                                          • D. Unpack the legacy WAR file, move the TLD file to the META-INF directory, move the class files to the top-level directory, repackage the whole thing as a JAR file, and place that JAR file in your webapp's library directory.
                                          Reveal Solution  Discussion  0

                                          Correct Answer: D  🗳️

                                          Question #4

                                          Which method must be used to encode a URL passed as an argument to HttpServletResponse.sendRedirect when using URL rewriting for session tracking?

                                          • A. ServletResponse.encodeURL
                                          • B. HttpServletResponse.encodeRedirectURL
                                          • C. HttpServletResponse.encodeURL
                                          • D. ServletResponse.encodeRedirectURL
                                          Reveal Solution  Discussion  0

                                          Correct Answer: B  🗳️

                                          Question #5

                                          A developer has used this code within a servlet:
                                          62.
                                          if(request.isUserInRole("vip")) {
                                          63.
                                          // VIP-related logic here
                                          64.
                                          }
                                          What else must the developer do to ensure that the intended security goal is achieved?

                                          • A. define a group within the security realm and call it vip
                                          • B. create a user called vip in the security realm
                                          • C. declare a security-role-ref for vip in the deployment descriptor
                                          • D. define a security-role named vip in the deployment descriptor
                                          Reveal Solution  Discussion  0

                                          Correct Answer: C  🗳️

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