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Alibaba Database ACA Database Certification

ACA Database Certification

Last Update Dec 20, 2025
Total Questions : 80

To help you prepare for the ACA-Database Alibaba Cloud exam, we are offering free ACA-Database Alibaba Cloud exam questions. All you need to do is sign up, provide your details, and prepare with the free ACA-Database practice questions. Once you have done that, you will have access to the entire pool of ACA Database Certification ACA-Database test questions which will help you better prepare for the exam. Additionally, you can also find a range of ACA Database Certification resources online to help you better understand the topics covered on the exam, such as ACA Database Certification ACA-Database video tutorials, blogs, study guides, and more. Additionally, you can also practice with realistic Alibaba Cloud ACA-Database exam simulations and get feedback on your progress. Finally, you can also share your progress with friends and family and get encouragement and support from them.

Questions 2

Your DTS (Data Transmission Service) migration has failed halfway through: what options do you

have? (Number of correct answers: 2)

Options:

A.  

Delete your DTS instance and start over

B.  

Restart the migration task from the console

C.  

Your database can't be migrated: you need to abandon the migration

D.  

You need to switch to ADAM, as DTS cannot complete the migration

Discussion 0
Questions 3

Which of the following databases are supported by DTS (Database Transmission Service)? (Number

of correct answers: 3)

Options:

A.  

MySQL

B.  

SQL Server

C.  

PostreSQL

D.  

DB2

Discussion 0
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Atlas
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Reign Nov 19, 2025
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Questions 4

Which of the following statements is NOT correct about PolarDB?

Options:

A.  

ApsaraDB for PolarDB is a cloud-native relational database service that is compatible with the MySQL, PostgreSQL, and Oracle engines

B.  

Each ApsaraDB for PolarDB cluster supports up to 100 TB of storage space and can handle up to one million queries per second (QPS)

C.  

ApsaraDB for PolarDB can scale clusters within a few minutes, recover from failures within a few seconds, and guarantee data consistency

D.  

An ApsaraDB for PolarDB cluster can also be scaled out to a maximum of 16 nodes, and provide up to 6 times of performance improvement traditional MySQL clusters at a 30% to 50% cost reduction

E.  

ApsaraDB for PolarDB is designed to handle large amounts of sequential queries

Discussion 0
Questions 5

Which migration modes are supported by DTS (Data Transmission Service)? (Number of correct

answer: 3)

Options:

A.  

From Alibaba Cloud RDS to other database systems

B.  

From RDS to an ECS-based database

C.  

From a different cloud provider to Alibaba Cloud

D.  

From an RDS database, back to itself

Discussion 0
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