Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
Certification Provider: Oracle
Corresponding Certification: Java Technology
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Oracle 1Z0-858 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Expression Language (EL) | - EL syntax and usage
|
| Topic 2: Servlet Technology | - Session management
|
| Topic 3: Deployment and Configuration | - Web application packaging
|
| Topic 4: Web Application Security | - Secure communication
|
| Topic 5: Web Application Architecture | - Java EE Web tier overview
|
| Topic 6: JavaServer Pages (JSP) | - JSP tag libraries
|
Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
Assume a JavaBean com.example.GradedTestBean exists and has two attributes. The attribute name is of type java.lang.String and the attribute score is of type java.lang.Integer.
An array of com.example.GradedTestBean objects is exposed to the page in a requestscoped attribute called results. Additionally, an empty java.util.HashMap called resultMap is placed in the page scope.
A JSP page needs to add the first entry in results to resultMap, storing the name attribute of the bean as the key and the score attribute of the bean as the value.
Which code snippet of JSTL code satisfies this requirement?
- A. <c:set target="${resultMap}" property="${results[0].name}"
value="${results[0].score}" /> - B. ${resultMap[results[0].name] = results[0].score}
- C. <c:set var="resultMap" property="${results[0].name}"
value="${results[0].score}" /> - D. <c:set var="${resultMap}" key="${results[0].name}"
value="${results[0].score}" /> - E. <c:set var="resultMap" property="${results[0].name}">
${results[0].value}
</c:set>
Correct Answer: A 🗳️
In which three directories, relative to a web application's root, may a tag library descriptor file reside when deployed directly into a web application? (Choose three.)
- A. /WEB-INF
- B. /WEB-INF/tlds
- C. /META-INF
- D. /WEB-INF/resources
- E. /META-INF/resources
- F. /META-INF/tlds
Correct Answer: A,B,D 🗳️
Which two actions protect a resource file from direct HTTP access within a web application? (Choose two.)
- A. placing it in the /META-INF/secure directory
- B. placing it in the /WEB-INF directory
- C. creating a <web-resource> element within the deployment descriptor
- D. creating a <secure-resource> element within the deployment descriptor
- E. placing it in the /secure directory
Correct Answer: A,B 🗳️
A developer for the company web site has been told that users may turn off cookie support in their browsers. What must the developer do to ensure that these customers can still use the web application?
- A. The developer must provide an alternate mechanism for managing sessions and abandon the HttpSession mechanism entirely.
- B. The developer can ignore this issue. Web containers are required to support automatic URL rewriting when cookies are not supported.
- C. The developer must add the string id=<sessionid> to the end of every URL to ensure that the conversation with the browser can continue.
- D. The developer must ensure that every URL is properly encoded using the appropriate URL rewriting APIs.
Correct Answer: D 🗳️
Given the JSP code:
10.<html>
11.<body>
12.<jsp:useBean id='customer' class='com.example.Customer' />
13.Hello, ${customer.title} ${customer.lastName}, welcome
14.to Squeaky Beans, Inc.
15.</body>
16.</html>
Which three types of JSP code are used? (Choose three.)
- A. Java code
- B. expression language
- C. template text
- D. scripting code
- E. standard action
Correct Answer: B,C,E 🗳️
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