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You are the architect of an existing project. Making changes to one component frequently requires making changes to many other components. Which action would reduce future maintenance costs?

A. Redesign the configuration and deployment.

B. Add an abstraction layer between the servlets and the EJB components.

C. Convert all stateful EJB components to stateless EJB components.

D. Expose the existing EJB components as web services.

Your consulting company has been asked to enhance an existing application. The current application is a

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two-tier system in which all the business logic is located in thick clients. You are considering a solution that would involve moving the business logic into the server's database In the form of stored procedures.

Which statement is an expected outcome of your proposed solution?

A. It will improve the scalability of the system.

B. It will improve the manageability of the system.

C. It will recline the amount of traffic on the network.

D. It will, in effect, turn the application into a three-tier system.

A company has been soiling a desktop based billing application that has Character User Interface (CUI) application developed by using Java. The company would like to release the next version of this application with the following features: a GUI with a pluggable look- and-feel capability and the flexibility to support multiple database vendors.

Which two technologies would you use in the new version?

A. Swing

B. JDBC

C. JPA

D. CMP

E. AWT

Blue Berry Corporation, one of the biggest fruit traders in Canada, has the biggest competitor, Red Cherry

100% Real QandAs | 100% Real Pass Corporation. Blue Berry uses a web application that is developed by using java technologies, whereas Red Cherry's web application uses non-Java technologies. Blue Berry plans to share business sensitive, transactional data between the two systems by integrating them in a loosely coupled manner.

Which technology should be used to this?

A. JMS

B. JCA

C. XML over HTTPS

D. RMI over IIOP

E. JBI

Which two types of applications benefit from using JavaServer Faces (JSF)?

A. An application with a customizable UI skin

B. An application that implements access control on each action based on user role.

C. An application in which type conversion of the values of UI components is implemented only in Java classes.

D. An application that sets specific database validation listeners on a UI component