aboutKafkaofPeoducer, is the following statement correct? (multiple choice)

• A.Can play multiple at the same timeProducerprocess to the sameTopicsend data
• B.Produceris a message producer
• C.ProducerNeed to connect first when producing dataZooKeeper, and then connectBroker
• D.ProducerProduction data needs to be specifiedTopic

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FusionInsight HDsystem, aboutHiveofJDB, CInterface type, which of the following descriptions is correct?

• A.HiveUnlike traditional databases, soJDB, CThe established connection does not need to be closed.
• B.In a secure cluster environment, establish andHiveBefore connecting, you need to use unified authentication to log in.
• C.In a network isolation environment,ZooKeeperofIPCan be configured as a businessIP, can also be configured to manageIP.
• D.useJDB, CsubmitSQL, you canSQLA semicolon ";" is added after the statement.

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due toSparkis a memory-based computing engine, therefore, aSparkThe amount of data the app can handle Can't give more than thisSparkThe total memory of the application.

• A.False
• B.True

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Set the block storage size to128M,HDFSWhen the client is writing a file, when writing a100M Big. How much storage space is there?

• A.50M
• B.128M
• C.64M
• D.100M

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for running onMapReduceThe application on the platform that this application depends onjarpackage will be put where?

• A.HBASE
• B.DB
• C.HIVE
• D.HDFS

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