S90-01A · Question #15
The standardization of services within a service inventory supports the repeated __________ of services, thereby increasing their potential reuse.
The correct answer is B. composition. Option B (composition) is correct because in Service-Oriented Architecture (SOA), standardizing services within a service inventory enables those services to be repeatedly composed - that is, combined and assembled with other services to build larger solutions. It is this…
Question
The standardization of services within a service inventory supports the repeated __________ of services, thereby increasing their potential reuse.
Options
- Aintegration
- Bcomposition
- Cdefinition
- Dexpression
How the community answered
(39 responses)- B87% (34)
- C8% (3)
- D5% (2)
Explanation
Option B (composition) is correct because in Service-Oriented Architecture (SOA), standardizing services within a service inventory enables those services to be repeatedly composed - that is, combined and assembled with other services to build larger solutions. It is this repeated composition that directly drives reuse potential; the more standardized a service is, the more easily it can participate in different compositions.
Why the distractors are wrong:
- A. Integration - While standardization aids integration, integration describes connecting disparate systems together, not the repeated combining of services to form new capabilities.
- C. Definition - Definition describes how a service is specified or designed; it's a one-time design-time activity, not something that's "repeatedly" done to increase reuse.
- D. Expression - Expression is not a recognized SOA principle in this context and has no meaningful relationship to service reuse within a service inventory.
Memory tip: Think of standardized services like LEGO bricks - because each brick follows a standard interface, you can compose them repeatedly into countless different structures. Standardization enables composition; composition enables reuse.
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