The Internet of Vehicles scene needs to implement multiple types of data analysis and write them into a horizontally-expanded relational database, such as vehicle condition analysis, fuel consumption and other analysis data. Which of the following database services is recommend renting?

• A.DOS+DCS
• B.DDM+RDS
• C.DCS+DDM
• D.RDS+DCS

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What are the advantages of cloud native applications over traditional applications? (Multiple choice)

• A.Capacity flexibility
• B.Service second recovery
• C.DevOps fast iteration
• D.High performance

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Regarding the description of the Huawei Cloud Distributed Cache DCS service, which of the following statements is correct? (Multiple choice)

• A.Can greatly reduce database pressure
• B.Supports strong consistency transactions
• C.It can effectively improve the access speed of hotspot data
• D.Provide Key-Value data cache for the application system

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Which of the following options are the advantages of container technology? (Multiple choice)

• A.Quick start and stop in seconds
• B.High-performance virtualization capabilities, greatly improved performance
• C.Standard delivery irrelevant to the environment to improve delivery efficiency
• D.Fine-grained resource isolation, reducing enterprise costs

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The industrial Internet needs to process and analyze the data collected in real time. Which of the following components can meet the above requirements?

• A.Kafka
• B.Hbase
• C.MapReduce
• D.Flink

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