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Question 1: CSDM Domains
In the CSDM 5.0 lifecycle, which phase (domain) does the “Application Service”—representing actual running instances of a system (such as Production, Development, or Test environments)—belong to?
- A. IDEATION & STRATEGY
- B. DESIGN
- C. BUILD & RUN
- D. SERVICE CONSUMPTION
【Correct Answer】 C. BUILD & RUN
【Detailed Explanation】
Why C is the correct answer (BUILD & RUN):
In the CSDM 5.0 framework, the BUILD & RUN phase is the domain responsible for managing “deployed entities.” An Application Service represents a Business Application from the DESIGN phase that has been built and is currently running in a specific environment; therefore, it is a core component of this domain. In the CSDM diagram, roles such as the App Service Owner and SRE are positioned within this phase, confirming that Application Services are managed within the operational environment.
Why the other options are incorrect:
- A (IDEATION & STRATEGY): This stage focuses on business objectives and service portfolio management. At this point, no specific system environment exists.
- B (DESIGN): This stage focuses on defining the logical structure (Business Application). The physical instantiation (creation of an Application Service) takes place in the subsequent phase.
- D (SERVICE CONSUMPTION): This stage focuses on how users consume and interact with the service. While the Application Service acts as the “backend entity” supporting the service, it is classified under the BUILD & RUN domain in the CSDM architecture.
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