The subsidiaries of a certain enterprise group are distributed all over the country, and each subsidiary has its own system. The headquarter of the group wants to aggregate the data of these 11 systems to realize group information sharing. Which of the following core Platform service of the smart park solution will be used to solve this problem? (Multiple choice)

• A.Video Cloud
• B.DAYU
• C.MRS
• D.ROMA
• E.OcearCornect

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Which of the following statements is not a feature of the mainstream public cloud?

• A.Mainstream public cloud also provides a large number of cloud solutions
• B.Support on-demand payment
• C.Cover laaS, Paas, Saas
• D.Can only request resources through the Admin Console page

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

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Which of the following types of image processing functions does Huawei Cloud Object Storage support? (Multiple choice)

• A.Portrait Beautification
• B.Cut, compress, slim
• C.Text and image watermark
• D.Zoom, rotate, and get picture information
• E.Picture format conversion

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Which challenges do the application switching middleware solutions mainly respond to? (Multiple choice)

• A.Insufficient open source version of high availability
• B.High cost of self-operation and maintenance
• C.Poor performance and insufficient capacity expansion
• D.Manual deployment of the business, low efficiency, high error rate

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