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ACA-Database Exam Dumps : ACA Database Certification

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ACA Database Certification Questions and Answers

Question 1

lf Oracle databases need to be migrated to Alibaba Cloud, which of the following product solutions :an be recommended? (Number of correct answers: 3)

Options:

A.

Use PolarDB-0 that is highly compatible with Oracle.

B.

Use Advanced Database & Application Migration (ADAM) to evaluate the migration project.

C.

Use ApsaraDB for Redis as a cache service to provide acceleration capabilities.

D.

Use Data Transmission Service (DTS) to migrate data.

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

Options:

A.

Complex extract, transform, load (ETL)

B.

Interactive analysis

C.

Simple point query

D.

Real-time update

E.

Machine Learning