Given a microservices system at the Defined maturity level, which of the following is most likely true about its communication style?

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Microservices - Real-World Architecture Case Studies

AServices communicate synchronously with shared databases

BServices use asynchronous messaging and have standardized APIs

CServices are tightly coupled with manual deployment

DServices have no defined communication protocols

Step-by-Step Solution

Solution:

Step 1: Understand communication at Defined level
At Defined level, services typically use asynchronous messaging and standardized APIs to ensure clear, decoupled communication.
Step 2: Evaluate options
Services use asynchronous messaging and have standardized APIs matches this description, while others describe less mature or incorrect states.
Final Answer:
Services use asynchronous messaging and have standardized APIs -> Option B
Quick Check:
Defined level = async messaging + standardized APIs [OK]

Quick Trick: Defined level means async messaging and APIs [OK]

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