Free Oracle 1Z0-807 Practice Test & Real Exam Questions

You are the architect of a web application that uses javaServer Faces (JSF) as a presentation tier;
and for business processes coded as stateless session beans. When you add new code to the stateless session beans to address new accounting requirements, without changing the interface, you discover that the new business processes are being ignored by some of the JSF components.
What might be the cause of this problem?

Which two kinds of applications benefit from the adoption of service oriented architecture (SOA) inspired patterns and practices?

An online library wants to introduce a feature where an email notification is generated whenever a book becomes available for circulation. This notification must be sent to only those members who have expressed interest in that book.
Which design pattern would you use to implement this requirement?

You are consulting with a team that has maintained several legacy database for years. They have reviewed the JPA spec and are wondering if the technology would offer benefits over this current SQL base.
Which statement identifies a risk of adopting JPA?

Your web page design company is designing websites for all the stores in a local mall. Your company must create a consistent "look and feel" for these sites.
After this "look and feel- project has gone through demonstration, enhancement and approval iterations with the mall's .lions, you job is complete and the development of the actual B2C (Business -to-Client) system will be handled by a different firm
Which architecture is most appropriate for your prototype project?

While analyzing an application, you observe that it contains numerous Interfaces for complex domain logic. Completing a business Function currently requires calling several of these interfaces in an order that is understood by system experts.
Which design pattern would you suggest to refactor the code?

Your company is creating a Java EE corporate wide workflow system in which significant internal business events are consumed by multiple applications. Due to multi-year development plans, many of these applications do not exist yet, even at the design stage. IT has defined standard data formats for these events in the form of small XML documents. Also, the rules for how an application filters and processes events are not fixed In advance and can change over the life of the application.
Which combination of technologies is best for distributing and consuming these events throughout the company?

You are designing a bank application in which automated email reminders are sent to customers every 24 hours, starting from five days prior to a payment due date until the payment is made?
Which type of beans most closely match the implementation needs for this requirement?

Your company uses a payroll application that was developed using Java technologies. The company has acquired another company and plans to integrate its payroll process in existing application. You have been asked to implement this integration. You observe that the business logic adopted to calculate the payroll is different in both companies.
Which design pattern would be most appropriate to use in this integration?