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Alibaba Database ACA-Database Book

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Total 80 questions
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ACA Database Certification Questions and Answers

Question 9

If you have a development team with several developers working on cloud databases, which product is recommended to use for development collaboration?

Options:

A.

DMS

B.

DBS

C.

DTS

D.

DAS

E.

DG

Question 10

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 11

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.

Question 12

Alibaba Cloud DTS (Database Transmission Service) only supports MySQL databases.

Options:

A.

True

B.

False

Page: 3 / 3
Total 80 questions
Get ACA-Database Full Access Download ACA-Database PDF