Exam Code: 310-083
Exam Name: Sun Certified Web Component Developer for J2EE 5
Certification Provider: SUN
Corresponding Certification: SCWCD
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SUN 310-083 Exam Syllabus Topics:

SectionObjectives
Topic 1: Deployment Descriptor and Configuration- Servlet and filter mapping
- web.xml configuration
- Context initialization parameters
Topic 2: JavaServer Pages (JSP)- JSP standard actions
- JSP lifecycle
- Expression Language (EL)
- Custom tags and tag libraries
Topic 3: Web Application Design and Architecture- MVC design pattern
- Security considerations
- Request dispatching
Topic 4: Servlet Technology- Servlet lifecycle and API
- Filters and listeners
- Session management
- Request and response handling
Topic 5: JavaServer Pages Standard Tag Library (JSTL)- Formatting and functions libraries
- Core tags

SUN Sun Certified Web Component Developer for J2EE 5 Sample Questions:

Given an HttpServletRequest request and HttpServletResponse response, which sets a cookie "username" with the value "joe" in a servlet?

  • A. response.addCookie(new Cookie("username", "joe"))
  • B. response.addHeader(new Cookie("username", "joe"))
  • C. request.setCookie("username", "joe")
  • D. request.addHeader(new Cookie("username", "joe"))
  • E. request.addCookie(new Cookie("username", "joe"))
  • F. request.addCookie("username", "joe")
  • G. response.addCookie("username", "joe")
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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 request- scoped 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 var="resultMap" property="${results[0].name}">
    $ {results[0].value}
    < /c:set>
  • B. <c:set var="resultMap" property="${results[0].name}"
    value="${results[0].score}" />
  • C. <c:set target="${resultMap}" property="${results[0].name}"
    value="${results[0].score}" />
  • D. <c:set var="${resultMap}" key="${results[0].name}"
    value="${results[0].score}" />
  • E. ${resultMap[results[0].name] = results[0].score}
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

The Squeaky Bean company has decided to port their web application to a new J2EE 1.4 container. While reviewing the application, a developer realizes that in multiple places within the current application, nearly duplicate code exists that finds enterprise beans.
Which pattern should be used to eliminate this duplicate code?

  • A. Model-View-Controller
  • B. Business Delegate
  • C. Service Locator
  • D. Transfer Object
  • E. Intercepting Filter
  • F. Front Controller
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Which element of the web application deployment descriptor defines the servlet class associated with a servlet instance?

  • A. <class>
  • B. <servlet>
  • C. <servlet-mapping>
  • D. <servlet-class>
  • E. <webapp>
  • F. <codebase>
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

You need to create a JavaBean object that is used only within the current JSP page. It must NOT be accessible to any other page including those that this page might import.
Which JSP standard action can accomplish this goal?

  • A. <jsp:useBean id='pageBean' type='com.example.MyBean' />
  • B. <jsp:makeBean id='pageBean' type='com.example.MyBean' />
  • C. <jsp:makeBean id='pageBean' class='com.example.MyBean' />
  • D. <jsp:makeBean name='pageBean' class='com.example.MyBean' />
  • E. <jsp:useBean name='pageBean' class='com.example.MyBean' />
  • F. <jsp:useBean id='pageBean' class='com.example.MyBean' />
Reveal Solution  Discussion  0

Correct Answer: F  🗳️

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