Free Access Huawei.H13-723_V2.0.v2022-09-27.q125 Practice Test (Page 4)

Which of the following methods can generateDStreamobject?

A.StreamingContext.fileStream(...)

B.KafkaUtils.createDirectStream(...)

C.KafkaUtils.createStream(...)

D.StreamingContext.socketStream

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

A.Produceris a message producer

B.ProducerNeed to connect first when producing dataZooKeeper, and then connectBroker

C.Can play multiple at the same timeProducerprocess to the sameTopicsend data

D.ProducerProduction data needs to be specifiedTopic

existMapReduceIn application development of , which of the followingJAVAThe class is responsible for managing and running a Counting tasks?

A.Configuration

B.Context

C.Job

D.FileSystem

FusionInsight HDin, aboutHiveandSparksql, which of the following descriptions are correct? (multiple choice)

A.Both can run onSparkon the computational framework

B.Both are available via table fields andHBaseAccess by field mappingHBasedata on

C.Both can run onMapReduceon the computational framework

D.Both are available externallySQLor classSQLability

existSpark, which of the following statements about broadcast variables is correct? (multiple choice)

A.Port broadcast variables are read-only

B.mouth broadcast variable in eachTasksave a copy

C.port broadcast variable viaSparkContext.broadcast) method to generate

D.mouth broadcast variable in eachExecutorsave a copy

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