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Alibaba ACA-Database Exam - Topic 1 Question 4 Discussion

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.
B) False
A) True

Alibaba ACA-Database Exam - Topic 1 Question 4 Discussion

Actual exam question for Alibaba's ACA-Database exam
Question #: 4
Topic #: 1
[All ACA-Database Questions]

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.

Show Suggested Answer Hide 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
9 months ago
Yeah, read-only nodes are just for scaling reads, not writes.
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Jonell
9 months ago
Wait, really? No auto failover? That seems risky.
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Daren
9 months ago
Totally agree, manual switch makes sense for control.
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Hyman
9 months ago
I thought it was automatic switching, guess not.
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Francine
9 months ago
That's correct, only one primary node!
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Nakisha
10 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
10 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
10 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.
upvoted 0 times
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Luis
10 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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