Alibaba ACA-Cloud1 Exam - Topic 6 Question 33 Discussion

Actual exam question for Alibaba's ACA-Cloud1 exam

Question #: 33
Topic #: 6

Which of the following statements is wrong when comparing RDS with self-built database?

ARDS features a high availability of 99.95% while self-built database requires you to implement data protection, primary-standby replication, and RAID all by yourself.

BRDS provides automatic backup while self-built database requires you to prepare storage space for backup copies and regularly verify that these copies can be restored.

CSelf-built database supports quick deployment and elastic scaling.

DRDS requires no O&M while self-built database requires a dedicated DBA for maintenance, which results in high HR cost.

Show Suggested Answer

Suggested Answer: C

by Laurel at May 07, 2022, 12:28 PM

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5 months ago

A is definitely true, RDS does handle a lot of that for you.

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I'm a little unsure about this one. The options all seem plausible, but I'm not totally confident in my understanding of the pros and cons of glycol cooling. Maybe I should try to recall some of the specific details we covered in class.

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Dick

5 months ago

I think this might be indirect evidence since it's coming from an unknown IP, but I'm not completely sure.

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Nakita

5 months ago

Okay, let me think this through. I know the column titles can be formatted individually, so I'm leaning towards C. But I'll review the other options just to make sure.

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Alibaba ACA-Cloud1 Exam - Topic 6 Question 33 Discussion

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