Which statement best describes the relationship between the Oracle Reference Architecture (ORA) and Service-Oriented Architecture (SOA)?
A.
ORA includes many different technology perspectives (for example, BPM, BI) Including SOA. The SOA perspective provides a view of ORA focused on the products and technology applicable to SOA.
B.
ORA embraces service orientation as a core tenet to consistently and uniformly deal with the complexity of a heterogeneous computing environment common to enterprise IT.
C.
ORA embraces SOA as a core tenet; therefore, adopting ORA means that SOA is adopted as well.
D.
ORA is a reference architecture based on architecture principles and best practices. SOA is a marketing term that has become widely and ambiguously used within the industry.
E.
SOA is an architectural approach that is product- and vendor-independent, ORA is essentially a SOA implemented using Oracle products and technology.
Suggested Answer:B🗳️
ORA does have a special relationship with SOA. ORA embraces service-orientation as a core tenet to improve agility, rationalize functions and data, and promote reuse in an effective manner. The entire strategy of SOA is not core to ORA (not C), but the concept of exposing data and functionality as interoperable SOA Services is core to ORA. ORA must provide interoperability across all Oracle products and must also effectively deal with the heterogeneity that exists in IT environments. SOA Services provide a clean, consistent approach to deal with both of these complexities. This is the reason that ORA includes service orientation as a core tenet. Stated as an architecture principle, this becomes: * The architecture embraces services as the primary mechanism for interoperability and integration. Reference: Oracle Reference Architecture and Service Orientation, Release 3.0
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