What are the types of data nodes znode in Zookeeper? (Multiple choice)

• A.temporary
• B.ephemeral
• C.persistent
• D.semi-persistent

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Assuming that the amount of data is about 200GB: the maximum capacity of shards is limited to 30GB, what is the appropriate maximum number of shards?

• A.5 or 6
• B.9 or 10
• C.3 or 4
• D.7 or 8

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The following are typical application scenarios of DWS

• A.CRM/ERP
• B.Trading System
• C.data mart
• D.Enterprise Data Warehouse

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

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Provide enterprise-level metadata management under the DGC platform architecture. Data asset management can visually support drilling, traceability, etC. Through the data map, which module can provide data intelligent search and operation monitoring to realize the data blood relationship and data panorama visualization of data assets?

• A.data integration
• B.data development
• C.Specification design
• D.Data Asset Management

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