Alibaba ACA-Database Exam - Topic 1 Question 93 Discussion

Actual exam question for Alibaba's ACA-Database exam

Question #: 93
Topic #: 1

[All ACA-Database Questions]

Which of the following statements is NOT correct about the benefits you can gain through PolarDB?

CWhen you add a read-only node in an ApsaraDB for PolarDB cluster, you only need to pay for computing resources

DMillisecond-level latency in physical replication

ALarge storage space

BElastic scaling within minutes

Elocked backup

Show Suggested Answer

Suggested Answer: E

by Daren at Jan 28, 2026, 01:56 PM

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Kasandra

6 days ago

I remember a practice question about PolarDB's performance, but I can't recall if it mentioned anything about data security features.

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Howard

11 days ago

I think PolarDB offers scalability and high availability, but I'm not sure about the specifics of its cost benefits.

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Bettina

16 days ago

I feel pretty confident about PolarDB, so I'll read through the choices carefully and use my knowledge to eliminate the incorrect statement.

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Anissa

21 days ago

Okay, I've got a strategy for this. I'll list out the key benefits I'm aware of, then compare that to the options to find the one that doesn't fit.

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Stephen

26 days ago

Hmm, I think I have a good grasp of PolarDB's benefits, so I'll review the options and try to spot the one that doesn't align with what I know.

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Camellia

1 month ago

This seems like a tricky question. I'll need to make sure I understand the main features and advantages of PolarDB to identify the incorrect statement.

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Nickolas

1 month ago

I'm not sure how to approach this one. I'll need to carefully read through the options and think about the key benefits of PolarDB.

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