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Huawei HCIP-Big Data Developer Sample Questions:

1. Which distributed computing frameworks can the Hive component of FusionInsigt HD run on? (multiple choice)

A) Spark
B) HDFS
C) MapReduoe
D) Streaming

2. There are the following business scenarios: the user's online log files have been stored on HDFS, and the log file content format is: each online record has three fields, namely name, gender, and online time, separated by "," between the fields; All female netizens who spend more than two hours online are required to print out.
Which of the following code fragments can achieve the above business scenarios? (multiple choice)

A) val text = sc.textFile("/data/file/path") val data = text.filter(_.contains("female")) val femaleData:RDD[(String,Int)] = data.map{Iine => val t = line.split( ' , ' ) (t(0),t(2).tolnt) }. val result = femaleData.filter(line => line._2> 120) result.collect().map(x => x._1 + ' , ' + x._2).foreach(println)
B) sc.textFile( " /data/file/path " .map(_.split( " , " ).map(p => Femalelnfo(p(0), p(1), p (2) .trim.tolnt)).toDF.registerTempTable("FemalelnfoTable") sqlContext.sql("select name,sum(stayTime) as stayTime from FemalelnfoTable where gender = ' Female ' group by name " ).filter( " stayTime >= 120 " ).collect().foreach(println)
C) sc.textFile( " /data/file/path " .map(_.split( " , " ).map(p => Femalelnfo(p(0), p(1), p (2) .trim.tolnt)).toDF.registerTempTable("FemalelnfoTable") sqlContext.sql("select name,sum(stayTime) as stayTime from FemalelnfoTable where gender = ' Female '" ).filter( " stayTime >= 120 " ).collect().foreach(println)
D) val text = sc.textFile("/data/file/path") val data = text.filter(_.contains("female")) val femaleData:RDD[(String,Int)] = data.map{Iine => val t = line.split( ' , ' ) (t(0),t(2).tolnt) }.reduceByKey(_ + _) val result = femaleData.filter(line => line._2> 120) result.collect().map(x => x._1 + ' , ' + x._2).foreach(println)

3. In FusionInsight HD, what are the roles that belong to the Streaming service? (multiple choice)

A) Nimbus
B) quorumpeer
C) Supervisor
D) Broker

4. Regarding the Hive service of the FusionInsight HD platform and its WebHCat development interface, which of the following descriptions is incorrect?

A) You can create tables, query and other operations through WebHCat
B) Support REST-based query request
C) The data format returned by WebHCat is XML
D) WebHCat provides external services based on HTTP and HTTPS protocols

5. In the FusionInsight HD HBase cluster, Table1 belongs to Namespace1, Table2 belongs to Namespace2, and Table1 has two column families, namely cf11 and cf12, and Table2 has a column family named cf21. Which of the following schemes allows user account A to be at the same time Have read and write permissions for cf11 and cf21. (Multiple choice)

A) Grant the user account Namespace1 read and write permissions
B) Grant the user account Namespace1 and Namespace2 read and write permissions
C) Give the user account global read permission
D) Grant the user account Table1 and Tablet2 read and write permissions

Solutions: