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Alibaba Cloud ACA-Database Exam With Confidence Using Practice Dumps

Exam Code:
ACA-Database
Exam Name:
ACA Database Certification
Certification:
Vendor:
Questions:
80
Last Updated:
Apr 4, 2025
Exam Status:
Stable
Alibaba Cloud ACA-Database

ACA-Database: Alibaba Database Exam 2025 Study Guide Pdf and Test Engine

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ACA Database Certification Questions and Answers

Question 1

Which of the following statements about AnalyticDB for MySQL is true?

Options:

A.

AnalyticDB for MySQL is a NoSQL database.

B.

AnalyticDB for MySQL can be used to build enterprise-grade data warehouse projects.

C.

AnalyticDB for MySQL can be used to build online transaction systems.

D.

AnalyticDB for MySQL supports transactions.

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Question 2

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

Question 3

Which of the following is the most efficient backup in ApsaraDB for MongoDB?

Options:

A.

Logical backup

B.

Physical backup

C.

Snapshot backup

D.

Full backup