Which of the following features determines high performance of the performance-enhanced instances of ApsaraDB for Redis Enhanced Edition (Tair)?

Answer(s): C

Which of the following architectures is not supported by ApsaraDB RDS for MySQL?

The single-node Basic Edition architecture, which can be used in test and non-core production environments
The high-avail ability architecture, in which primary and read-only nodes are deployed to implement automatic failovers
The three-node Enterprise Edition architecture, which ensures zero data loss
The serverless architecture, in which computing resources are charged based on the Pay-As-You- Go (PAYG) billing method

Answer(s): D

Which of the following features is provided by Data Management (DMS)?

Integrates data across multiple data sources
Backs up multiple types of databases
Evaluates the database migration project
Enables online database management, such as data query, database and table management, and permission management

Answer(s): C

Which of the following statements about MongoDB is NOT true?

Answer(s): A

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