How many layers of attacks can the Anti-DDos traffic cleaning service resist?

• A.2-4 layers
• B.4-7 floors
• C.3-5 layers
• D.1-3Floor

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What applications and services does Huawei Cloud Cloud Market provide?

• A.professional service
• B.Basic software
• C.commercial software
• D.Developer tools

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VBS Supports simultaneous backup of all cloud hard drives in the server.

• A.mistake
• B.True

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Which of the following is wrong about the description of the expected number of instances in elastic scaling?

• A.The number of expected instances cannot be greater than the maximum number of instances
• B.The trigger element method of the scaling strategy changes the number of expected instances
• C.The number of expected instances cannot be less than the minimum number of instances
• D.can trigger the scaling activity by manually adjusting the expected number of instances

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The object storage server provides account-based ACLs. Which of the following access rights are not supported by ACLs?

• A.View ACL permissions
• B.Modify ACL permissions
• C.Read permission
• D.Public read and write permissions

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