Alibaba ACA-CloudNative Exam - Topic 2 Question 124 Discussion

Actual exam question for Alibaba's ACA-CloudNative exam

Question #: 124
Topic #: 2

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

AUse PL/SQL Statement from RDBMS

BDatabase lock required (commit and rollback scenario)

CUse store procedure/function from RDBMS

DUse 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.

Show Suggested Answer

Suggested Answer: D

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

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Alesia

1 day 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

7 days 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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