Alibaba Cloud DTS (Data Transmission Service) is a file migration tool.

• A.True
• B.False

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Which of the following are reasonable Data Transmission Service (DTS) use cases? (Number of correct answers: 4)

• A.Synchronizing information about user accounts and permissions.
• B.Database migration without interrupting services / downtime
• C.Configuring data audit rules to manage data quality.
• D.Synchronizing data to data warehouses in real time to build data warehouses for real-time analytics.
• E.Geo-disaster recovery and active geo-redundancy for databases
• F.Change tracking and data distribution.

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PolarDB for MySQL allows you to deploy a cluster across multiple zones. Compared with single-zone clusters, multi-zone clusters have better disaster recovery capabilities and can withstand data centre-level faults.

• A.True
• B.False

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

• A.Full backup
• B.Logical backup
• C.Physical backup
• D.Snapshot backup

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Data Management (DMS) provides features related to data warehouse development to support task orchestration and recurring scheduling. Which of the following features are being developed? (Number of correct answers: 3)

• A.Data lineage
• B.Data quality
• C.Data service
• D.Data visualization
• E.Data directory

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