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Alibaba ACA-CloudNative Exam - Topic 2 Question 124 Discussion

How to keep the data consistency in microservices architecture refer to microservice.io?
D) Use a Choreographer and Event Bus. In the failed scenario in a service, a Choreographer will use event bus to cancel all the communications among services related.
A) Use PL/SQL Statement from RDBMS
B) Database lock required (commit and rollback scenario)
C) Use store procedure/function from RDBMS

Alibaba ACA-CloudNative Exam - Topic 2 Question 124 Discussion

Actual exam question for Alibaba's ACA-CloudNative exam
Question #: 124
Topic #: 2
[All ACA-CloudNative Questions]

How to keep the data consistency in microservices architecture refer to microservice.io?

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Suggested Answer: D

by Melina at Apr 13, 2026, 04:27 AM

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Fausto
26 days ago
A and C are outdated methods for this.
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Celeste
1 month ago
D is the best approach for microservices!
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Maia
2 months ago
I recall that using PL/SQL or stored procedures might not align with microservices principles, but I can't remember the exact reasons.
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Zana
2 months ago
I’m a bit confused about the database lock scenario. I feel like it could lead to bottlenecks in a microservices setup.
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Alesia
2 months ago
I think option D sounds familiar; we practiced a similar question about event-driven architecture and how it helps maintain data consistency.
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Fredric
2 months ago
I remember we discussed the importance of eventual consistency in microservices, but I'm not sure if using a Choreographer is the best approach.
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