SUN Sun Certified Web Component Developer for J2EE 5 : 310-083

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SUN 310-083 Exam Syllabus Topics:

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

1. Given:
http://com.example/myServlet.jsp?num=one&num=two&num=three
Which two produce the output "one, two and three"? (Choose two.)

A) ${param.num[0],[1] and [2]}
B) ${paramValues["num"][0]}, ${paramValues["num"][1]} and ${paramValues["num"][2]}
C) ${param.num[0]}, ${param.num[1]} and ${param.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) ${paramValues.num[0]}, ${paramValues.num[1]} and ${paramValues.num[2]}
G) ${paramValues[0],[1] and [2]}

2. Given that www.example.com/SCWCDtestApp is a validly deployed Java EE web application and that all of the JSP files specified in the requests below exist in the locations specified. Which two requests, issued from a browser, will return an HTTP 404 error?
(Choose two.)

A) http://www.example.com/SCWCDtestApp/Customer/Update/test.jsp
B) http://www.example.com/SCWCDtestApp/WEB-INF/test.jsp
C) http://www.example.com/SCWCDtestApp/Customer/test.jsp
D) http://www.example.com/SCWCDtestApp/test.jsp
E) http://www.example.com/SCWCDtestApp/META-INF/test.jsp
F) http://www.example.com/SCWCDtestApp/WEB-WAR/test.jsp

3. Given:
6. <myTag:foo bar='42'>
7. <%="processing" %>
8. </myTag:foo>
and a custom tag handler for foo which extends TagSupport.
Which two are true about the tag handler referenced by foo? (Choose two.)

A) The SKIP_PAGE constant is a valid return value for the doStartTag method.
B) The EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.
C) The doStartTag method is called once.
D) The EVAL_PAGE constant is a valid return value for the doEndTag method.
E) The doAfterBody method is NOT called.

4. Which three web application deployment descriptor elements allow web components to gain references to resources or EJB components? (Choose three.)

A) servlet-ref
B) ejb-ref
C) resource-ref
D) javamail-ref
E) ejb-remote-ref
F) resource-env-ref
G) jdbc-ref

5. Given:
1 1. <% java.util.Map map = new java.util.HashMap();
1 2. request.setAttribute("map", map);
13. map.put("a", "true");
14. map.put("b", "false");
15. map.put("c", "42"); %>
Which three EL expressions are valid and evaluate to true? (Choose three.)

A) ${map.d or map.a}
B) ${not map.c}
C) ${map.false or map.true}
D) ${map['true'] or map['false']}
E) ${map.a and map.d}
F) ${map.a and map.b or map.a}

Solutions: