After the RDS is enabled with HA, what are the available synchronization modes for active and standby instances? (Multiple choices)

• A.All of the above
• B.Semi-synchronous
• C.Synchronization
• D.Asynchronous

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Scalable bandwidth supports the setting of three types of scalable bandwidth strategies, namely alarm strategy, timing strategy and periodic strategy.

• A.FALSE
• B.TRUE

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What value does Workspace bring to customers? (Multiple choices)

• A.Get it quickly
• B.Free
• C.Simplified operation and maintenance
• D.Pay on demand

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ECS refers to elastic scaling services.

• A.False
• B.True

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Which of the following are the functions of relational database services?

• A.Create a database cluster
• B.Restore the backup to the specified time node
• C.Add a read-only copy
• D.Expansion Disk

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