Which of the following is not a capability of the "Cloud DBA function of a Huawei Cloud RDS instance?"

• A.Database hardware tuning
• B.Database engine check
• C.Database deadlock check
• D.Emergency database restart

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When HUAWEI CLOUD Application Operation and Maintenance Management AOM manages logs, it can perform keyword filtering after enabling real-time viewing.

• A.TRUE
• B.FALSE

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For services with high data consistency requirements, when performing database port switching, which of the following switching strategies should be selected?

• A.Availability first
• B.Consistency first
• C.Reliability first
• D.Feasibility first

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A company's e-commerce website is built on an ECS instance of HUAWEI CLOUD, and HUAWEI CLOUD CDN is used for website acceleration. However, it was discovered that cross-domain access failed after CDN acceleration.
Which of the following ways can tenants use to solve the problem?

• A.Configure the cross-domain HTTP header in the CDN console.
• B.Configure HTTPS security acceleration in the CDN console.
• C.In the CDN in equipment between cross-domain policy visit console control
• D.in CDN turned back to the source configuration console range back to the source.

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After the customer's business system was put on the cloud, the customer operation and maintenance engineer discovered through CES that the memory usage of a certain ECS continued to rise every day, and it has reached 90%. Which of the following measures cannot be taken by the customer operation and maintenance engineer to solve the problem?

• A.Analyze the application log, if you find that the application has a memory leak problem, you can restart W to temporarily solve it.
• B.Contact Huawei engineers to help reduce ECS memory usage from the background.
• C.Analyze the application log, if the business volume increases, it can be solved by changing the cCS specification.
• D.Analyze the application log, if you find that the application has a memory leak problem, you can modify the application code to completely solve the memory leak problem.

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