Which of the following statements is true?

Question

Options

• ATo apply service-orientation requires the use of Web services.
• BWeb services are required in order to build service-oriented solutions.
• CWhen discussing SOA and service-oriented computing, the term "Web service" must always be
• DNone of these statements are true.

• B
  6% (1)
• D
  94% (15)

Explanation

D is correct because SOA (Service-Oriented Architecture) is a design paradigm, not a technology mandate - you can implement service-oriented solutions using REST APIs, gRPC, message queues, or other mechanisms without ever using Web services (SOAP/WSDL).

A & B are wrong for the same reason: they both assert that Web services are required for service-orientation, which confuses a specific technology with a broader architectural concept. Web services are one possible implementation, not a prerequisite.

C is wrong because "Web service" is a specific technical term that need not appear in SOA discussions at all - SOA and service-oriented computing are technology-agnostic concepts that predate and extend beyond Web services.

Memory tip: Think of it this way - SOA is the blueprint, Web services are just one brand of bricks. You can build the blueprint with many different materials.

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