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Alibaba ACA-Cloud1 Exam - Topic 6 Question 33 Discussion

Which of the following statements is wrong when comparing RDS with self-built database?
C) Self-built database supports quick deployment and elastic scaling.
A) RDS 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.
B) RDS 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.
D) RDS requires no O&M while self-built database requires a dedicated DBA for maintenance, which results in high HR cost.

Alibaba ACA-Cloud1 Exam - Topic 6 Question 33 Discussion

Actual exam question for Alibaba's ACA-Cloud1 exam
Question #: 33
Topic #: 6
[All ACA-Cloud1 Questions]

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

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Suggested Answer: C

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

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Frederica
10 months ago
D is accurate, having a DBA is a big cost factor for self-built databases.
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Wilda
10 months ago
Wait, can RDS really guarantee that 99.95% uptime? Sounds too good to be true.
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Carey
11 months ago
B is spot on, backups are a hassle with self-built setups.
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Vincenza
11 months ago
I disagree with C, self-built databases can be a pain to scale quickly.
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Josue
11 months ago
A is definitely true, RDS does handle a lot of that for you.
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Rolf
11 months ago
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
11 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
11 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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