Free Alibaba ACA-Database Exam Actual Questions

The questions for ACA-Database were last updated On Jun 15, 2025

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Question No. 1

Which are the supported DB engine for PolarDB so far? (The number of Answer: 3)

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Correct Answer: A, B, D

PolarDB is a cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Reference:

https://www.alibabacloud.com/product/polardb


Question No. 2

Which of the following are the benefits of database views? (Number of correct answers: 3)

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Correct Answer: A, B, D

Question No. 3

Each PolarDB cluster consists of one primary node and one or more read-only nodes. The system only support manually switch over services from the primary node to a read-only node.

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Correct Answer: B

PolarDB cluster supports Manually and Automatically switch over services between primary and read-only nodes.


https://www.alibabacloud.com/help/doc-detail/141229.htm?spm=a2c63.p38356.b99.113.36df231dK2DVX0

Question No. 4

When a backup file of core sensitive data is downloaded, business systems must be protected against data breaches. Which of the following capabilities must be enabled to ensure data security?

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Correct Answer: B

Question No. 5

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

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Correct Answer: C