Regarding DataSet, which of the following statements is incorrect?

• A.DataSet needs to be deserialized to perform sort, filter, shuffle and other operations
• B.DataSet is a strongly typed collection composed of objects of a specific domain
• C.DataSet is highly similar to RDD, and its performance is better than RDD
• D.DataSet can perform most operations without deserialization

Comment: *

Name: *

Email: *

Verification: *

Fl? ?in transmissiondata process. Data can be simply filtered.hostwantby setting( )at Source? ?between (writeCa?Before)ordon't caredata is filtered.

• A.Interceptor

Comment: *

Name: *

Email: *

Verification: *

Which of the following options belong to Hive's data storage model?

• A.Table
• B.Bucket
• C.Partition
• D.All the above are correct
• E.Database

Comment: *

Name: *

Email: *

Verification: *

From the point of view of the life cycle, what stages does data mainly go through?

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

Comment: *

Name: *

Email: *

Verification: *

Which of the following descriptions about the functions of HRegionServe in HBase are incorrect?

• A.The RegionServer is generally deployed with the NameNode of the HDFS cluster to realize the data storage function.
• B.Regionserver is the data service process of HBase, responsible for processing user data read and write requests
• C.Data processing and computing unit of HBase
• D.Manage all Regions, Regions can be migrated between RegionServers

Comment: *

Name: *

Email: *

Verification: *