1Z0-807 Real Exam Questions

Your company requires all its developers to use a well-specified set of exception classes to model several common error conditions, many of the which are specific to its business. These exception classes are centrally maintained and come packaged in a library (a JAR file). The application you are developing needs to report a number of error conditions covered by this library to remote clients. Which paring of component type and remote access technology enables client applications to use the predefined exceptions as part of their natural programming model?

Your company is creating a Java EE corporate wide workflow system in winch 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 or the application. Which combination of technologies is best for distributing and consuming these events throughout the company?

A Hot Potato anti pattern can arise from misuse of which technology combination?

While analyzing an existing web application, you observe the following issues in the source code: - Duplicate control code is scattered throughout various view. - Business and presentation logic are mixed within these view. The next phase of the project involves refactoring the existing code to address these two issues. Which design pattern, if employed in the refactoring exercise, would most directly address the two issues?