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Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:

1. Squeaky Beans Inc. hired an outside consultant to develop their web application. To finish the job quickly, the consultant created several dozen JSP pages that directly communicate with the database. The Squeaky business team has since purchased a set of business objects to model their system, and the Squeaky developer charged with maintaining the web application must now refactor all the JSPs to work with the new system. Which pattern can the developer use to solve this problem?

A) Service Locator
B) Intercepting Filter
C) Transfer Object
D) Business Delegate

2. Which two security mechanisms can be directed through a sub-element of the <user-dataconstraint> element in a web application deployment descriptor? (Choose two.)

A) authentication
B) confidentiality
C) data integrity
D) authorization

3. A session-scoped attribute is stored by a servlet, and then that servlet forwards to a JSP page. Which three jsp:useBean attributes must be used to access this attribute in the JSP page? (Choose three.)

A) name
B) type
C) beanName
D) scope
E) bean
F) id

4. What is the purpose of session management?

A) To tell the web container to keep the HTTP connection alive so it can make subsequent requests without the delay of making the TCP connection.
B) To store information on the server-side between HTTP requests.
C) To manage the user's login and logout activities.
D) To store information on the client-side between HTTP requests.

5. Which two statements are true about using the isUserInRole method to implement security in a Java EE application? (Choose two.)

A) It can be used independently of the getRemoteUser method.
B) Using the isUserInRole method overrides any declarative authorization related to the method in which it is invoked.
C) Can return "true" even when its argument is NOT defined as a valid role name in the deployment descriptor.
D) It can be invoked only from the doGet or doPost methods.
E) Using the isUserInRole method overrides any declarative authentication related to the method in which it is invoked.

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