Huawei Cloud tenants need to use VMs to deploy their application systems. This application system requires a highly secure isolation environment. Which type of cloud service is recommended for tenants to use?

• A.DeH
• B.Elastic Cloud Server ECS
• C.DeH
• D.Bare Metal Server BMS

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Which of the following security strategies does RDS have? (Multiple choice)

• A.Network isolation-security group
• B.Network isolation-VPC
• C.SSL encryption
• D.Disk encryption

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Which of the following are the key features of the full-stack exclusive solution? (Multiple choice)

• A.Inherit the overall design and practice of Huawei Cloud Security, and provide customers with comprehensive and multi-dimensional security and privacy protection functions and services, covering all levels of infrastructure, platform, application, and data security.
• B.Heterogeneous management of third-party hardware and virtualization systems to build a hybrid cloud ecosystem
• C.Integrate architecture, operation and maintenance, upgrade, API and ecology with HUAWEI CLOUD
• D.Based on the intelligent operation and maintenance system of HUAWEI CLOUD centralized operation and maintenance, it provides second-level monitoring and warning and fault prediction, which provides the highest guarantee for the stability of customers' business, and reduces the difficulty of customer OPEX and operation and maintenance.

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The full-stack exclusive and HUAWEI CLOUD share the account system. Users must use a HUAWEI CLOUD account to log in and manage the full-stack exclusive cluster.

• A.True
• B.False

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Create an elastic scaling group on the ServiceStage application operation and maintenance interface. Which of the following is not an elastic scaling policy of the application instance?

• A.Cycle trigger
• B.Timing trigger
• C.Alarm trigger
• D.Manual trigger

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