Alibaba ACA-Database Exam - Topic 1 Question 4 Discussion

Actual exam question for Alibaba's ACA-Database exam

Question #: 4
Topic #: 1

Each PolarDB cluster consists of one primary node and one or more read-only nodes. The system only support manually switch over services from the primary node to a read-only node.

ATrue

BFalse

Show Suggested Answer

Suggested Answer: B

PolarDB cluster supports Manually and Automatically switch over services between primary and read-only nodes.

https://www.alibabacloud.com/help/doc-detail/141229.htm?spm=a2c63.p38356.b99.113.36df231dK2DVX0

by Christiane at May 03, 2022, 05:27 PM

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Larae

5 months ago

Yeah, read-only nodes are just for scaling reads, not writes.

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Jonell

5 months ago

Wait, really? No auto failover? That seems risky.

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Daren

5 months ago

Totally agree, manual switch makes sense for control.

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Hyman

5 months ago

I thought it was automatic switching, guess not.

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Francine

5 months ago

That's correct, only one primary node!

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Nakisha

6 months ago

Hmm, I'm a bit unsure about this one. I know centralized structures can have some downsides, but I'll need to carefully consider each option to determine the best answer.

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Stefany

6 months ago

I feel like the right answer might involve keeping the original, like option B. We practiced something similar where we had to safeguard documents for the loan term, right?

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Penney

6 months ago

I remember something about 'own use' being defined really strictly. I think Mr. Jamison's case might be a bit tricky since he was a former patient.

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Luis

6 months ago

I remember studying the basic components of ultrasonic testing, and I think a transducer is definitely essential for the system.

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