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Which of the following best describes the primary goal when identifying service boundaries in microservices?

easy📝 Conceptual Q11 of 15
Microservices - Migration from Monolith
Which of the following best describes the primary goal when identifying service boundaries in microservices?
ACreate services based on the number of developers available
BSplit services evenly by code size
CGroup all database operations into one service
DDivide the system based on business capabilities and data ownership
Step-by-Step Solution
Solution:
  1. Step 1: Understand the purpose of service boundaries

    Service boundaries should reflect business capabilities to ensure clear ownership and independent deployment.
  2. Step 2: Evaluate the options

    Options B, C, and D focus on technical or team size factors, which are less effective than business-driven boundaries.
  3. Final Answer:

    Divide the system based on business capabilities and data ownership -> Option D
  4. Quick Check:

    Business capabilities = A [OK]
Quick Trick: Match services to business functions, not code size or teams [OK]
Common Mistakes:
  • Splitting services by code size only
  • Grouping all database logic in one service
  • Ignoring business domain boundaries

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