Oracle 1z0-807 Exam Actual 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?

Correct Answer: C 🗳️

An investment company has purchased a number of small online business referral systems that appeal to various niche demographics. The company wants to bring these networks together in hopes of finding a broad, single theme and brand image for these groups before they can do that, they need to get the users communicating with outside their current networks.
Which Web Services pattern would you recommend they consider in building a scheme to accommodate this communication?

Correct Answer: A 🗳️

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

Correct Answer: B 🗳️

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?

Correct Answer: B 🗳️