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Oracle 1Z0-858 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Web Application Security | - Authentication and authorization - Declarative security |
| Topic 2: Servlet Technology | - Servlet lifecycle and architecture - Request and response handling - Filters and listeners - Session management |
| Topic 3: Web Application Design and Architecture | - Deployment descriptors (web.xml) - Model-View-Controller (MVC) pattern |
| Topic 4: JavaServer Pages (JSP) | - Expression Language (EL) - JSP syntax and lifecycle - Custom tags and JSTL |
| Topic 5: Web Application Deployment | - Application server configuration - Packaging and deployment of WAR files |
Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
Given: http://com.example/myServlet.jsp?num=one&num=two&num=three Which two produce the output "one, two and three"? (Choose two.)
- A. ${paramValues["num"][0]}, ${paramValues["num"][1]} and ${paramValues["num"][2]}
- B. ${paramValues[0],[1] and [2]}
- C. ${paramValues.num[0]}, ${paramValues.num[1]} and ${paramValues.num[2]}
- D. ${parameterValues["num"]["0"]}, ${parameterValues["num"]["1"]} and ${parameterValues["num"]["2"]}
- E. ${parameterValues.num[0]}, ${parameterValues.num[1]} and ${parameterValues.num[2]}
- F. ${param.num[0]}, ${param.num[1]} and ${param.num[2]}
- G. ${param.num[0],[1] and [2]}
Correct Answer: A,C 🗳️
Which two are valid values for the <transport-guarantee> element inside a <securityconstraint> element of a web application deployment descriptor? (Choose two.)
- A. CONFIDENTIAL
- B. SECURE
- C. NULL
- D. INTEGRAL
- E. ENCRYPTED
Correct Answer: A,D 🗳️
Which two classes or interfaces provide a getSession method? (Choose two.)
- A. javax.servlet.http.HttpSessionBindingEvent
- B. javax.servlet.http.HttpServletResponse
- C. javax.servlet.http.HttpSessionContext
- D. javax.servlet.http.HttpSessionAttributeEvent
- E. javax.servlet.http.HttpServletRequest
Correct Answer: A,E 🗳️
Assume the custom tag my:errorProne always throws a java.lang.RuntimeException with the message "File not found."
An error page has been configured for this JSP page.
Which option prevents the exception thrown by my:errorProne from invoking the error page mechanism, and outputs the message "File not found" in the response?
- A. <c:catch var="ex">
<my:errorProne />
</c:catch>
${ex.message} - B. <c:try>
<my:errorProne />
<c:catch var="ex" />
${ex.message}
</c:try> - C. <c:try catch="ex">
<my:errorProne />
</c:try>
${ex.message} - D. <c:try>
<my:errorProne />
</c:try>
<c:catch var="ex" />
${ex.message} - E. <my:errorProne>
<c:catch var="ex">
${ex.message}
</c:catch>
</my:errorProne>
Correct Answer: A 🗳️
Given the security constraint in a DD:
101.
<security-constraint>
102.
<web-resource-collection>
103.
<web-resource-name>Foo</web-resource-name>
104.
<url-pattern>/Bar/Baz/*</url-pattern>
105.
<http-method>POST</http-method>
106.
</web-resource-collection>
107.
<auth-constraint>
108.
<role-name>DEVELOPER</role-name>
109.
</auth-constraint>
110.
</security-constraint>
And given that "MANAGER" is a valid role-name, which four are true for this security constraint? (Choose four.)
- A. MANAGER can do a POST on any resource in the /Bar/Baz directory.
- B. MANAGER can do a GET on resources in the /Bar/Baz directory.
- C. DEVELOPER can do a TRACE on any resource in the /Bar/Baz directory.
- D. MANAGER can do a TRACE on any resource in the /Bar/Baz directory.
- E. DEVELOPER can do a GET on resources in the /Bar/Baz directory.
- F. DEVELOPER can do only a POST on resources in the /Bar/Baz directory.
Correct Answer: B,C,D,E 🗳️
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