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Alibaba ACA-Database Exam - Topic 1 Question 101 Discussion

How can ApsaraDB for MyBase solve problems in database security and performance interferences in the multi-tenant scenario?
C) Isolated hosts are used. A host runs only your instances and does not run instances of other users.
A) ApsaraDB for MyBase supports resource over commitment.
B) Instances can be migrated. You can manually migrate instances to idle hosts.
D) ApsaraDB for MyBase allows you to distribute different types of instances at a time.

Alibaba ACA-Database Exam - Topic 1 Question 101 Discussion

Actual exam question for Alibaba's ACA-Database exam
Question #: 101
Topic #: 1
[All ACA-Database Questions]

How can ApsaraDB for MyBase solve problems in database security and performance interferences in the multi-tenant scenario?

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Suggested Answer: C

by Huey at Jun 26, 2026, 03:07 PM

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Stephen
3 days ago
I think option C is the best. Isolated hosts really enhance security.
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Alyce
8 days ago
Not sure about the distribution of different instance types though.
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Toi
13 days ago
Migrating instances to idle hosts is a game changer!
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Nickole
18 days ago
Wait, isolated hosts? That sounds too good to be true.
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Gregg
23 days ago
I totally agree, that helps with performance!
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Bulah
29 days ago
ApsaraDB supports resource over commitment, which is cool!
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Dolores
1 month ago
Option D sounds familiar; distributing different types of instances could help with both security and performance, but I need to double-check that.
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Britt
1 month ago
I feel like migrating instances, as mentioned in option B, could help with performance, but I can't recall the specifics.
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Viola
1 month ago
I remember something about resource over commitment from our practice questions, so option A might be relevant here.
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Kattie
2 months ago
I think option C about isolated hosts makes sense for security, but I'm not entirely sure how it impacts performance.
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