If tenants need to deploy core applications on HUAWEI CLOUD, this application needs to use highly isolated resources. Which of the following services are recommended for tenants? (Multiple choice)

• A.DCC exclusive computing service
• B.ECS Elastic Cloud Server
• C.DSS exclusive distributed storage service
• D.EVS cloud hard disk service

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Which of the following methods is used by HUAWEI CLOUD cc instances to ensure the security of tenant container instance isolation?

• A.Provide CGroup to isolate tenants
• B.Tenant isolation by docking enterprise projects
• C.Tenant isolation through physical machines or clusters
• D.Provide strong isolation through secure container technology Kata

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An ECS virtual machine can only run one container.

• A.False
• B.True

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Regarding the FunctionGraph function service, which of the following statements is correct?

• A.Cannot access the public network in the function
• B.Cannot access resources in the Huawei Cloud tenant vpc in the function
• C.The database on HUAWEI CLOUD cannot be accessed through functions
• D.After configuring the VPC in the function, you can access the resources under the corresponding VPC of the current user

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Which of the following options is not a commonly used communication network for IoT devices?

• A.NB-loT
• B.Lora
• C.2/3/4G
• D.HTTP

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