Question 1

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

Options :

A : Produceris a message producer

B : ProducerProduction data needs to be specifiedTopic

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

D : ProducerNeed to connect first when producing dataZooKeeper, and then connectBroker

Answer: A,C

Question 2

aboutSolrThe response format of the query result, which of the following statements is wrong?

Options :

A : supportCSVandJSON

B : supportCSV,JSONandHTML

C : supportCSV,JSONandXML

Answer: B

Question 3

existSpark, assuminglinesIs anDStreamobject, which of the following statements can periodically count this number of words on a stream?

Options :

A : lines.flatMap(_.split(' ')).map(word =>(word,1)).reduce(_+_).print( )

B :

lines.flatMap(_.split(' ')).map(word =>(word,word.length())).reduceByKey

(_+_).print( )

C :

lines.flatMap(_.split(' ')).map(word =>(word,1)).reduceByKey(_+_).print

( )

D :

lines.flatMap(_.split(' ')).flatmap(word =>(word,1)).groupByKey(_+_).print

( )

Answer: C

Question 4

FusionInsight HDmiddle,OoziesupportHDFS Action.

Options :

A : True

B : False

Answer: A

Question 5

existFusionInsight HDproductSolrDuring application development, you canSolr Admin UIrightCollectionDo some verification. Below aboutSolr Admin UIIs the statement correct? (multiple choice)

Options :

A : clickClouddownTree,CheckSolr CloudmiddleCollections, a configuration set, andlive_nodesequivalence information

B : clickCloud, see eachCollectionunder eachShardofReplicadistribution and statusenter aCollectionofShard ReplicaofCore Overviewinterface, you can view theRepicaSow

C : Quoting the actual number of documents, storage size and location information

D : Solruser group,Solr adminrole andSuper groupof users have access toSolr Admin UI

Answer: A,C,D

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