In the case of using ModelArts to recognize a car model, which ability in ModelArts automatic learning is used?

• A.Object detection
• B.OCR
• C.Image classification
• D.Image segmentation

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In order to cope with the sudden increase in traffic in the live broadcast scene, and it is necessary to save structured and unstructured data at the same time, what type of database combination solution is recommended for tenants?

• A.DRS+DDS
• B.RDS+DRS
• C.DCS
• D.DCS+RDS+DDS

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The docker image is not layered.

• A.False
• B.True

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What are the benefits of using the container in the business? (Multiple choice)

• A.Improve the quality of code development
• B.By sharing kernel fine-grained resource isolation. (reducing business costs)
• C.Improved security for the business
• D.Second-level fast start and stop (suitable for agile expansion and contraction scenarios)
• E.Define delivery and deployment specifications for environmentally unrelated standards. (Improve delivery efficiency)

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Blockchain is a versatile technology that can replace databases and the Internet. Huawei Blockchain Service (BCS) is a high-performance, high-availability and high-security blockchain technology platform service for enterprises and developers. It is suitable for scenarios such as data transactions, identity authentication, new energy, Internet of Vehicles, and supply chain traceability.

• A.False
• B.True

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