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Alibaba ACA-Database Exam - Topic 3 Question 49 Discussion

Which of the following is the wrong statement about PolarDB design architecture?
B) PolarDB consolidate compute processes and storage processes in one box, allowing the database capacity to scale up and down to meet your application needs in Alibaba Cloud
A) A PolarDB cluster contains one primary instance and up to 15 read-only instances
C) Read/write splitting is enabled for PolarDB clusters by default, providing transparent, highly available, and self-adaptive load balancing for your database
D) High speed network connection is enabled between the DB server and the chunk server, and data are transferred using the Remote Direct Memory Access (RDMA) protocol

Alibaba ACA-Database Exam - Topic 3 Question 49 Discussion

Actual exam question for Alibaba's ACA-Database exam
Question #: 49
Topic #: 3
[All ACA-Database Questions]

Which of the following is the wrong statement about PolarDB design architecture?

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Suggested Answer: B

https://www.alibabacloud.com/help/doc-detail/58766.htm?spm=a2c63.p38356.b99.11.4e333181dMpFmV

by Joseph at Nov 25, 2023, 10:45 PM

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Sherron
6 months ago
D is definitely true, high-speed connections are a must for performance.
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Julio
6 months ago
Wait, RDMA for data transfer? That's impressive but hard to believe!
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Jeanice
7 months ago
C sounds right, read/write splitting is super helpful!
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Ozell
7 months ago
I think B is misleading, they don't really consolidate everything in one box.
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Shaquana
7 months ago
A PolarDB cluster can have 15 read-only instances, that's cool!
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Kaitlyn
7 months ago
I remember discussing the primary and read-only instances in class, and I think A is correct. So, that leaves us with B or D as potential wrong statements.
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Rosio
8 months ago
I have a vague recollection that PolarDB does use RDMA for data transfer, but I can't recall the specifics. Maybe D is the one that's incorrect?
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Deandrea
8 months ago
I practiced a similar question where read/write splitting was mentioned, and I believe it's true for PolarDB. So, I don't think C is the wrong statement.
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Miss
8 months ago
I think option B sounds a bit off. I remember something about compute and storage being separate in PolarDB, but I'm not entirely sure.
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Amalia
8 months ago
I'm a bit unsure about the details of PolarDB's design. I'll need to review my notes and try to eliminate the incorrect statement.
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Maddie
8 months ago
I've studied this topic before, so I'm feeling confident. I'll carefully evaluate each option and select the one that is incorrect.
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Artie
8 months ago
Okay, let's see. I need to identify the wrong statement about PolarDB design. I'll read through the options and try to spot any inaccuracies.
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Bo
8 months ago
Hmm, I'm not too familiar with the PolarDB architecture. I'll need to think this through carefully.
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Natalya
8 months ago
This question seems pretty straightforward. I think I can handle it.
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Reita
8 months ago
I remember learning about these IDS evasion techniques in class, but I'm drawing a blank on the specifics right now. I'll have to make an educated guess and go with B.
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Sunshine
8 months ago
Hmm, I'm a bit unsure about this one. The options don't seem entirely clear to me. I'll need to re-read the question and think it through step-by-step.
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Karina
8 months ago
Hmm, I'm a little unsure about this one. I know they're both markup languages, but I'm not totally clear on the specific differences.
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Zoila
8 months ago
I'm not sure about this one. Changing the port might affect the monitoring, but I'm not confident that it would completely stop the notifications. I'll have to think it through step-by-step.
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