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Alibaba Exam ACA-Database Topic 8 Question 71 Discussion

Actual exam question for Alibaba's ACA-Database exam
Question #: 71
Topic #: 8
[All ACA-Database Questions]

PolarDB for MySQL uses shared distributed storage and supports dual-zone deployment by default. How many data replicas are available across the two zones?

Show Suggested Answer Hide Answer
Suggested Answer: B

DTS is a data migration, integration, synchronization and change tracking tool.


https://www.alibabacloud.com/help/doc-detail/176063.htm?spm=a2c63.l28256.b99.6.490d7142CiFvPb

Contribute your Thoughts:

Caprice
16 hours ago
Hmm, this sounds like a trick question. I'm going to go with 'C' just to be safe.
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Willow
6 days ago
That's a good point, Asha. Maybe having more replicas with option B) 4 would indeed be more beneficial for dual-zone deployment.
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Asha
7 days ago
I disagree, I believe the answer is B) 4. Having more replicas across two zones would provide better fault tolerance.
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Willow
10 days ago
I think the answer is A) 3 because it makes sense to have an odd number of data replicas for redundancy.
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