310-080 Sun - Braindumps.com.ua: question list for "Sun Certified Web Component Developer for the Java 2 Platform, Enterprise Edition 1.3", page: 3

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Sun 310-080: Sun Certified Web Component Developer for the Java 2 Platform, Enterprise Edition 1.3

#21. You are designing a Web application to guise users through a problem-solving process. All the information about the problems, and their solutions, will be stored in a database. The application will use a central controller to:
• Dispatch requests to the appropriate JSP page.
• Manage the workflow process across pages.
• Load the behavior of the controller dynamically for flexibility.
Which design pattern is intended to achieve these goals?

#22. Given:

 <jsp:useBean id=”fum” class=”fee.fie.Fo” scope:”application”/>

In which type of object is fum stored as an attribute?

#23. Given:

 1. public class JumpingBean { 
 2. private String title – “JumpingBean”; 
 3. private int num = 10; 
 4. 
 5. public void setTitle(String title) { 
 6. this.title = title; 
 7. } 
 8. public String getExamsheets() { 
 9. return title; 
 10. } 
 11. public void setNum(int num) { 
 12. this.num – num; 
 13. } 
 14. public int getNum(| { 
 15. return num; 
 16. } 
 17. }

Given index.jsp:

 1. <html><body> 
 2. <jsp:useBean id=”bean” class=”com.Examsheets.JumpingBean”/> 
 3. <jsp:setProperty name=”bean” property=”*”/> 
 4. Title: <%=bean.getExamsheets()%><br> 
 5. Num: <%=bean.getNum()%><br> 
 6. </body></html>

For the given URL:
http://localhost/index.jsp?num=3
Which two are returned in the generated HTML? (Choose two)

#24. Given:

 11. public class Acc extends HttpServlet{ 
 12. private StringBuffer bar = new StringBuffer(“bar”); 
 13. private static StringBuffer xyz = new StringBuffer(); 
 14. public void doPost(HttpServletRequest req, 
 HttpServletResponse resp){ 
 15 StringBuffer Examsheets = new StringBuffer(“Examsheets”); 
 16. HttpSession session = req.getSession(); 
 17. }  
 18. }

Which two variables reference objects that are thread-safe? (Choose two)

#25. Which two are benefits of the Value Object design patterns for implementing Web applications? (Choose two)

#26. You are designing a large, complex Web application that will be structured in a multi-tier architecture. You must provide interfaces based on both HTML and XML. The application must be maintainable over many development and deployment iterations.
Which design pattern is intended to achieve these goals?

#27. Within a Web application deployment descriptor, what is the name of the child element of <context-param> that describes a parameter?

#28. Which two are true about the basic HTTP authentication mechanism? (Choose two)

#29. Which method is invoked on a servlets session object so that a session is never timed out by the servlet container?

#30. Which deployment description snippet would you use to declare the use of a tag library?

[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] ... [16]

gen. 0.127

Server date 06:19 10-01-2009

Sun 310-080

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