The following figure shows the computational model of Structured Streaming. By observation, it can be concluded that the final calculation result of 3 is

• A.Cat 2, dog 3, owl 1
• B.Cat 2, dog 4, owl 2
• C.Cat 1, cat 1, dog 2, dog 2, owl 2
• D.Dog 1, owl 1

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Which of the following parts does the structure of the unified certification management system include?

• A.Unified Session Management Module
• B.Unified Authentication Server
• C.Unified authentication management module
• D.Identity information storage server

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In Huawei's big data solution b, which of the following components are included in the bottom layer of hadoop?

• A.spark
• B.hive
• C.miner
• D.fink

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What application scenarios is HBase not suitable for?

• A.High throughput application scenarios
• B.Mass data (TB, PB) application scenarios
• C.Semi-structured data application scenarios
• D.Application scenarios requiring full ACD characteristics

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When the F1ume process is cascaded, which of the following sink types are used to receive the messages sent by the previous hop Flume?

• A.Hive sink
• B.Avro sink
• C.Thrift sink
• D.Null sink

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