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Alibaba ACA-Database Exam
ACA Database Exam (Page 3 )

Updated On: 9-Feb-2026
Page 3 of 17
PDF with 80 Questions

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

  1. AnalyticDB for MySQL is a NoSQL database.
  2. AnalyticDB for MySQL can be used to build enterprise-grade data warehouse projects.
  3. AnalyticDB for MySQL can be used to build online transaction systems.
  4. AnalyticDB for MySQL supports transactions.

Answer(s): B



Which of the following statements about the compatibility of AnalyticDB for PostgreSQL is NOT true?

  1. Support for the Java Database Connectivity (JDBC) protocol
  2. Support for the SQL2003 syntax standard
  3. Compliance with PostgreSQL and Greenplum protocols
  4. Fully compatible with Oracle syntax

Answer(s): D



Which of the following is NOT true, regarding the sensitive data management feature provided by Data Management (DMS)?

  1. The rules of field metadata and data content can be automatically recognized.
  2. De-identification algorithms can be managed. Multiple algorithms are supported, such as algorithms for masking specific positions and replacing fixed characters.
  3. Field-level and row-level permissions are supported.
  4. After you configure de-identification algorithms, you can view the de-identified data.

Answer(s): D



Which of the following statements about Data Transmission Service (DTS) migration scenarios is NOT true?

  1. DTS can migrate data in a circular way, for example, A > B > C >
  2. DTS can migrate data from one source database to one destination database, for example, A >
  3. DTS can migrate data from one source database to several destination databases, for example, A > B and A >
  4. DTS can migrate data from several source databases to one destination database, for example, A > C and B > C.

Answer(s): A



How can ApsaraDB for MyBase solve problems in database security and performance interferences in the multi-tenant scenario?

  1. ApsaraDB for MyBase supports resource over commitment.
  2. Instances can be migrated. You can manually migrate instances to idle hosts.
  3. Isolated hosts are used. A host runs only your instances and does not run instances of other users.
  4. ApsaraDB for MyBase allows you to distribute different types of instances at a time.

Answer(s): C






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