A company uses the RDS for mysql service of HUAWEI CLOUD. As the amount of data increases, the disk of the RDS instance is found to be full. Which of the following methods can be used to solve it? (Multiple choice)

• A.You can delete useless historical table data to free up space.
• B.If the binlog log file occupies too much, you can contact a technician to clear the local binlog log to free up disk space.
• C.Change the storage type to super high 10, and then expand the disk capacity.
• D.Expand the disk storage space size.

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

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Which of the following fields is most suitable for using Huawei Cloud CCE cloud container engine service? (Multiple choice)

• A.Elastic scaling application
• B.Hybrid cloud applications
• C.Microservice application
• D.High-performance AI computing applications

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Huawei CDN supports website acceleration,File download acceleration,On-demand acceleration and site-wide acceleration.

• A.False
• B.True

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Which of the following descriptions about Huawei Cloud DDS cluster architecture (Sharding) is wrong?

• A.config is the configuration node, each cluster fixed one config, default specifications for the 2-core / 4G / 20GB of disk space, and the size can be changed.
• B.mongos routing node, the user can choose to create 2-12 months mongos nodes, then the node may add or delete according to the demand, adjust the size.
• C.shard is fragmented assembly, the user can choose to create 2 to 12 shard nodes, may be followed according to the elastic expansion demand, adjust the size.
• D.HUAWEI CLOUD DDS cluster is divided into community version and community enhanced version, and the community enhanced version cluster adopts a storage and computing separation architecture.

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