What services can Huawei MRS provide to customers? (Multiple choice)

• A.Statistical analysis and data mining
• B.Security control based on Kerberos certificate
• C.Multi-node deployment
• D.Offline and real-time data processing

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From the perspective of life cycle, which stages do data go through? (Multiple choice)

• A.Data storage
• B.Data management
• C.Data presentation
• D.Data collection
• E.Data analysis

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Which of the following description of the flink window is wrong? (Multiple choice)

• A.There is overlap in time between sliding windows
• B.There is no overlap in time between sliding windows
• C.Rolling windows do not overlap in time
• D.The rolling windows overlap in time

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In the Output stage of Structured Streaming, different data writing methods can be defined. Which of the following methods are included? (Multiple choice)

• A.Complete Mode
• B.Update Mode
• C.Append Mode
• D.General Mode

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Spark Streaming? The fault tolerance mechanism means that if any partition in the RDD fails, it can be recalculated and generated according to its parent RDD. If the parent RDD is lost, you need to go to the disk to find the original data.

• A.True
• B.False

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