Free Huawei H13-723_V2.0 Exam Dumps Questions & Answers

TowardsHBaseincrease in the clusterRegionServerhost, the original cluster must be stopped first, becauseHBaseDynamic expansion is not supported.

• A.  True
• B.  False

FusionInsight HDin the system,SolrExample projectsolr-examplelconfsolr-example.properties middleZK URLandZOOKEEPER DEFAULT SERVER PRINCIPALThe value of can be selected from which of the following options Obtain?

• A.  fromSolr Admin UIinterface acquisition
• B.  fromFusionInsight Manager SolrGet the service configuration interface
• C.  existsolr-examplelconf solr-example.properties, already with these two parameters by default

There are the following business scenarios: User online log files have been stored inHDFSabove, the log file content format the formula is: each online record has three fields, namely name, gender, and online time, and the fields are separated by ","; It is required to print out all female netizens who spend more than two hours online. Which of the following code snippets can achieve The above business scenario? (multiple choice)

• A.  sc.textFile("/data/file/path").map(.split(",")).map(p=>FemaleInfo
  (p(O),p(1),p(2).trim.toInt)).toDF.registerTemp Table("Female infoTable") sqlContext.sq(l "select name, sum(stay Time)as stay Time from FemaleInfoTable where gender=female).filter("stay Time >=120").collect).foreach(printin)
• B.  sc.textFile("/data/file/path").map(.split(",")).map(p=>FemaleInfo(p
  (O),p(1),p(2).trim.toInt)).toDF.registerTemp Table("FemaleinfoTable")sqlContext.sql ("select name,sum(stay Time)as stay Time from FemaleInfoTable where gender= female'group by name").filter("stay Time >=120").collect).foreach(printin)
• C.  val text=sc.textFile("/data/fle/path")
  val data=text.filter(_.contains("female"))
  Val fermaleData:RDD(String,Int) =data.map(line=>val t=line.split(',')
  (t(0),t(2).toInt)
  }
  Val result=femaleData.filter(line=>line.2>120)
  Rusult.collect.map(x=>x._1 +','+ x._2).foreach(println)
• D.  val text=sc.textFile("/data/fle/path")
  val data=text.filter(_.contains("female"))
  Val fermaleData:RDD(String,Int) =data.map{line=>val t=line.split(',')
  (t(0),t(2).toInt)
  }.reduceByKey(_+_)
  Val result=femaleData.filter(line=>line.2>120)
  Rusult.collect.map(x=>x._1 + ',' + x._2).foreach(println)

existFusionInsight HDproduct, aboutKafkaWhich of the descriptions of secure and non-secure ports is wrong?
(Note: oldAPImeans oldProducerAPIand oldConsumerAPI. Among them, the oldConsumer API:
Refers tokafka.consumer.ConsumerConnectorinterface defined in; oldProducerAPI:Refers to kafka.producer.Producerinterface defined in . )

• A.  oldAPIpass through21005access to a portTopicThe premise is: server parameters allow.everyone.if.no.acd.foundSet astrue, and thisTopicnot setA, CLAttributes.
• B.  for settingA, CLofTopic, you can use the oldAPIconnect21005port to access.
• C.  KafkaThe cluster security access port defaults to21007, the non-secure access port defaults to21005.
• D.  oldAPIAccess only21005port; newAPICompatible access to non-secure ports21005and secure port
  21007.

rightHBase, which of the following properties can be set? (multiple choice)

• A.  Coprocessor
• B.  Compression
• C.  Versions
• D.  TTL