What advantages does cloud computing bring to enterprise digital transformation? (Multiple choice)

• A.Cost savings
• B.Improve data security
• C.Improve hardware utilization
• D.Improve operational efficiency

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The relational database service RDS has a database backup function. After the RDS instance is deleted, the corresponding backup file will be automatically retained.

• A.True
• B.False

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Cloud database RDS is a stable, reliable, elastic, and easy-to-manage online cloud database service based on the cloud computing platform; Cloud database RDS can support MySQL, PostgreSQL, and SQL Server engines.

• A.True
• B.False

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Cloud computing is a computing model that can provide dynamically scalable virtualized resources to users in the form of services through the Internet.

• A.False
• B.True

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Which of the following are basic characteristics of cloud computing? (Multiple choice)

• A.Resource pooling
• B.Extensive Internet access
• C.On-demand self-service
• D.Rapid elastic scaling

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