ACA-Database Exam Preparation Material | ACA Database Certification

Prepare for the ACA-Database with reliable study materials, practice questions, and key exam insights.

Prepare for the ACA-Database ACA Database Certification exam with CertQueen's independently developed study resources. Review important concepts, practice scenario-based questions, and use clear explanations to identify areas that require further study.

Question#1

Which of the following statements is NOT correct about PolarDB?

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

Explanation:
PolarDB is 6 times faster than standard MySQL database in handling large amounts of concurrent queries.
https://www.alibabacloud.com/product/polardb

Question#2

Which database utility is good for database management and DevOps?

A. DMS
B. DBS
C. DTS
D. DAS
E. ADAM

Explanation:
Database DevOps Solutions. https://www.alibabacloud.com/product/data-management-service / https://www.alibabacloud.com/help/doc-detail/190124.htm?spm=a2c63.p38356.b99.40.6ad93d19Xe9h14

Question#3

If a database exception occurs in a PolarDB cluster because important data is deleted by mistake, how i can data be restored?

A. Level-2 backup + Redo log
B. Level 1 backup + Redo log
C. Level-2 backup
D. Level-1 backup

Question#4

Which of the following computing capabilities are supported by AnalyticDB? (Number of correct answers: 4)

A. Complex extract, transform, load (ETL)
B. Interactive analysis
C. Simple point query
D. Real-time update
E. Machine Learning

Question#5

DTS (Data Transmission Service) must have access to a database user account on both the target and source database, in order to work.

A. True
B. False

Explanation:
https://www.alibabacloud.com/help/doc-detail/26652.htm?spm=a2c63.p38356.879954.26.2ab232664Wkc2m#concept-xng-n1b-mhb

Exam Code: ACA-Database
Q & A: 80 Q&As         Updated:  Oct 17,2026

 

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What This ACA-Database Study Resource Helps You Do

Review Key Concepts

Review the technologies, products, processes, and practical skills covered by the current ACA-Database exam objectives.

Practice Scenario-Based Questions

Work through independently developed questions designed to strengthen your understanding of technical scenarios and decision-making.

Identify Knowledge Gaps

Use your results and the provided explanations to find weaker areas and focus your study more effectively.

How to Use This ACA-Database Preparation Material

Review the Exam Scope

Start by reviewing the topics covered by the ACA-Database exam. Compare them with the official exam objectives to understand the required technologies, operational tasks, and practical skills, then identify the areas that deserve the most attention.

Practice Independently

Complete a focused set of practice questions for each topic. On your first attempt, avoid referring to notes, answers, or other study resources so that you can evaluate your current understanding more accurately.

Study the Explanations

Review the answers and explanations after completing each practice session. Understand why the correct option is appropriate for the given scenario and why the other options may be incorrect or less suitable.

Close Knowledge Gaps

Keep track of incorrect answers, unfamiliar concepts, and weaker knowledge areas. Review these topics using official documentation and practical experience, then answer the related questions again to reinforce your understanding and monitor your progress.

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