Indataduring stream processing. eachthingpieceTimeWhich of the following three can be divided into?

• A.delay time,Right nowthingincident to processingextendlate time
• B.eventime,the time when the event occurred
• C.Processing time,eventquiltsystem processing time
• D.ingestion time, the time the event arrives at the stream processing system

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When installing the Streaming component of Fusioninsight HD, how many nodes does the Nimbus role require to installed?

• A.4
• B.1
• C.2
• D.3

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Which two roles are responsible for the active and standby status management of HDFS NameNode nodes and the merging of metadata files?

• A.Primary NameNode and JournalNode
• B.Primary NameNode and Standby NameNode
• C.ZKFC and the main NameNode
• D.ZKFC and standby NameNode

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Which of the following are the characteristics of ElasticSearch?

• A.High fault tolerance
• B.High malleability
• C.High reliability
• D.high performance

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When the number of nodes in the Zookeeper cluster is 5 nodes, how many nodes are the disaster recovery capabilities of the cluster equivalent to?

• A.3
• B.6
• C.4
• D.none of the above

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