Alibaba Exam ACA-Database Topic 5 Question 75 Discussion

Actual exam question for Alibaba's ACA-Database exam

Question #: 75
Topic #: 5

[All ACA-Database Questions]

What is the maximum number of read-only nodes in a PolarDB cluster?

C10

D15

Show Suggested Answer

Suggested Answer: A, B, D, E

by Tawny at Nov 13, 2024, 05:44 AM

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Margarita

15 days ago

Wait, does this mean I can have a 'polar bear' in my PolarDB cluster? I'm going with B, just to be on the safe side.

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Paul

16 days ago

This question is making me feel a bit 'polar-ized'. I'll go with A, just to keep things simple.

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Ellen

29 days ago

Ha! I bet the developers were feeling a bit 'polar' when they set the max at 15. I'm sticking with D just to see what happens.

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Kenny

9 hours ago

I'm going with option C, 10 read-only nodes.

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Stefanie

19 days ago

I think the max number of read-only nodes is 10.

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Macy

2 months ago

Wait, 15 read-only nodes? That sounds like a lot. I'm going to go with C, 10 seems more reasonable for a PolarDB cluster.

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Susy

21 days ago

Yeah, 15 read-only nodes does sound like a lot. I think C, 10, is the right choice.

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Therese

1 months ago

I agree, 10 read-only nodes does seem like a reasonable number for a PolarDB cluster.

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Lorita

2 months ago

Hmm, this seems like a tricky one. I'm guessing the answer is B, since 5 is a nice round number for a cluster, right?

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Alfreda

7 days ago

Thanks for clarifying. I'll remember that for next time.

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Carman

19 days ago

Exactly, it's not 5. It's 10 read-only nodes in a PolarDB cluster.

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Marleen

21 days ago

Oh, I see. That makes sense. So, it's not B) 5 after all.

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Kallie

1 months ago

I think the answer is actually C) 10, because PolarDB clusters can have up to 10 read-only nodes.

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Irene

2 months ago

I agree with Michel, C) 10 makes sense for better scalability and fault tolerance.

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Michel

2 months ago

I believe it's C) 10 because having more read-only nodes can improve read performance.

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Carin

2 months ago

I think the answer is A) 1.

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