When an e-commerce platform uses the ServiceStage gray release function, there is no need to stop the upgrade, and within a period of time, the new and old versions will provide services online at the same time.

• A.True
• B.False

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Users can build their own virtual clusters on the BMS bare metal servers they have purchased.

• A.True
• B.False

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A hospital customer plans to deploy some heterogeneous computing services on HUAWEI CLOUD. Which of the following ECS accelerated instance types given for business scenarios is unreasonable?

• A.Use Ai1 type AI accelerate ECS instances deployed electronic voice business cases.
• B.Use SFS Turbo flexible file service to store large-capacity medical images.
• C.Use P1 type PGA to accelerate ECS acceleration instance deployment gene sequencing business.
• D.Use G1 type GPU graphics acceleration ECS deployment of a medical image recognition service

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Huawei Cloud OBS storage supports server-side encryption with the key provided by the KMS service, and at the same time, the encrypted files can be shared with other users on the 0BS console.

• A.FALSE
• B.TRUE

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When users use the HUAWEI CLOUD ELB service, they can use the health check to determine the availability of the back-end elastic cloud server ECS instance.
For Layer 4 services (UDP protocol), which of the following methods is used by an ELB instance to determine the availability of an ECS instance?

• A.The status code returned by the server of the ECS instance.
• B.The number of bytes returned by the server of the ECS instance.
• C.Whether the port check has timed out.
• D.Special characters in the content of the message returned by the server of the ECS instance.

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