HUAWEI CLOUD has introduced Kata container technology in the CCI service to improve the security of single-container instances. Which of the following descriptions of Kata containers is correct?

• A.Kata is a container project managed by the Kubernetes community.
• B.The isolation of Kata containers is better than that of virtual machines.
• C.The resource utilization of Kata containers is higher than that of Docker containers.
• D.Kata container needs the support of Hypervisor layer.

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Flume is a distributed, highly reliable, and highly available mass data aggregation system. Which of the following are the features of Flume? (Multiple choice)

• A.Support cascading, multiple Flume cascading to achieve load balancing and reliability.
• B.Support resumable transmission and data caching
• C.Support encrypted transmission and non-encrypted transmission
• D.Support Flume Server to automatically pull up abnormally.

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Which of the following source database engines does Huawei Cloud DRS support? (Multiple choice)

• A.SQL Server
• B.MongoDB
• C.MySQL
• D.PostgreSQL

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Which of the following options does Huawei Cloud Database Security Service support for protection? (Multiple choice)

• A.Containerized database on the cloud
• B.Self-built database under the cloud
• C.RDS cloud service instance
• D.Examples of distributed database middleware

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Huawei Cloud ServiceStage provides industry-leading microservice solutions and a commercial version of the microservice engine, which can greatly simplify the development and launch of microservice applications. Which of the following microservice engines is not supported by ServiceStage?

• A.ServiceComb Go Chassis
• B.Spring Cloud
• C.ServiceGomb Java Chassis
• D.Dubbo

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