Create an OBS bucket, open multiple versions of the bucket, repeat the upload of the object "aaa" three times, close the multiple versions of the bucket, and repeat the upload of the object "aaa" three times. After the above operations are completed, what is the amount of the bucket object is displayed in the bucket basic information?

• A.4
• B.5
• C.6
• D.3

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Which of the following parameters need to be set when creating a backup strategy for cloud backup services?

• A.Name
• B.Backup time
• C.Retention rules
• D.Backup period

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Data security provides confidentiality and integrity guarantee for user data application and storage in the cloud computing environment.

• A.True
• B.False

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What management functions are supported by ELB?

• A.Delete load balancer
• B.Disable load balancer
• C.Enable load balancer
• D.Create load balancer

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Which of the following are computing services?

• A.Elastic cloud server
• B.Image service
• C.Dedicated cloud
• D.Virtual private cloud

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