What are the basic characteristics of cloud computing? (Multiple choices)

• A.Broad network access
• B.Resource pooling
• C.Rapid elastic expansion
• D.On-demand self-service
• E.Measurable services

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The monitoring data retention time of different aggregation periods is inconsistent. How many days does the indicator data of the aggregation period remain for 1 hour?

• A.155
• B.10
• C.20
• D.300

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What can be configured to receive notification of deleted objects?

• A.Anti-leech
• B.Event notification
• C.Static website hosting
• D.Life cycle rules

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What are the lifecycle management of elastic cloud servers?

• A.Delete ECS
• B.Shutdown
• C.Boot
• D.Uninstall the disk

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When two elastic cloud servers in the same VPC cannot communicate with each other or packet loss occurs, which of the following factors need to be checked.

• A.Check the network ACL
• B.Check the security group rules
• C.Check the unreachable port
• D.Check the internal network card information of the elastic cloud server

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