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Huawei HCIP-Big Data Developer V2.0 Sample Questions:

1. FusionInsight HDin, belonging toStreamingWhat are the methods of data distribution? (multiple choice)

A) Shuffle Grouping
B) Field Grouping
C) Local Grouping
D) Direct Grouping

2. existMapReduceIn the development framework,InputFormatWhat is the function of the class?

A) mergemapThe result of the stage has the samekeyvalue key-value pair
B) rightmapThe results of the stages are sorted and merged
C) Split the input data into individualsplit, and willsplitfurther split into<key,value>yes, then asmapletter input of numbers
D) put allmapThe results of the stages are merged to get the final result

3. An application requires simultaneous and twoFusionInsightCluster interaction: both need to access the cluster1ofHBase Serve,Xneed to cut county2ofHiveservice, then which of the following operations is necessary? multiple choice)

A) Accounts created by the -A option and the B option must belong to supr.
B) -Create the account required by this application on cluster 1, and set this account to access the HBase service of this cluster
C) -Create an account with the same name in option A on cluster 2, and set this account to access the Hive service in this episode e
D) Cluster 1 and Cluster 2 complete the mutual trust operation

4. 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("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)
B) 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)
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) 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)

5. FusionInsight HD V100R002C60in, aboutHiveofPythonInterface type, which of the following descriptions is incorrect?

A) RequirePythonversion no lower than2.6.6,not higher than2.7.0
B) Client must havesetuptools, and the version is not lower than5.0
C) PythonSecondary development does not support secure clusters
D) hive_python_clientscript provides direct executionSQLfunctions, such ashive_python_client'show tables'

Solutions: