1z0-478 preparation
Oracle 11g 1Z0-478 : Oracle SOA Suite 11g Essentials

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Question 5: A partner needs to access services that are defined in one of your Service Composite
Architecture (SCA) applications via a web service interface. Which approach (and accompanying
reasoning) describes a loosely coupled and robust solution?
A. Use Oracle Service Bus to provide an Interface layer over your SCA application. This enables you
to hide the locations of your SCA application, perform load-balancing across those endpoints, and
provide the ability to define service level agreements to help ensure that you are meeting your
contractual obligations to the partner.
B. Use the Mediator component to provide a web service interface to your SCA application. This
arrives you the flexibility of using the industry standard XSLT technology to perform translation and
transformations.
C. Use Oracle Service Bus to provide an interface layer over your SCA application. This enables you
to "skin" your SCA application with a web service interface and still provide a robust experience to
the partner.
D. Allow the partner simply to connect directly to the SCA application. This provides the best
performance and helps keep the partner happy.
Correct Answer: B