Huawei H13-723-ENU : HCIP-Big Data Developer

H13-723-ENU real exams

Exam Code: H13-723-ENU

Exam Name: HCIP-Big Data Developer

Updated: Sep 12, 2026

Q & A: 155 Questions and Answers

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Huawei H13-723-ENU Exam Syllabus Topics:

SectionObjectives
Topic 1: Data Development and Engineering Practices- Data Pipeline Development
- ETL Design and Implementation
Topic 2: Real-time Data Processing- Stream Processing Concepts
- Flink/Spark Streaming Basics
Topic 3: Distributed Data Processing- Spark Computing Framework
- MapReduce Principles
Topic 4: Hadoop Ecosystem Technologies- HDFS and Data Management
- YARN Resource Scheduling
Topic 5: Big Data Fundamentals- Big Data Architecture and Ecosystem Overview
- Data Storage and Processing Concepts

Huawei HCIP-Big Data Developer Sample Questions:

Question #1

In Spark, assuming that lines is a DStream object, which of the following statements can periodically count the number of words on this stream?

  • A. Iines.flatMap(_.split (" " )).flatMap(word => (word, 1)).groupByKey(_ +_).print()
  • B. Iines.flatMap(_.split (" " )).map(word => (word,word.Iength())).reduceByKey (_ +_).print()
  • C. Iines.fIatMap(_.spIit (" " )).map(word => (word, 1)).reduceByKey(_ +_).print()
  • D. Iines.flatMap(_.split (" " )).map(word => (word, 1)).reduce(_ +_).print()
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #2

In Spark application development, which of the following codes can correctly count words?

  • A. val counts = textFile.map (line => line.split ("')).map (-rd => (word, 1)).reduceByKey(_ +_)
  • B. val counts = textFile.flatMap (line=>line.split (" ")).map (word => (word, 1)).groupByKey ()
  • C. val counts = textFile.map (line=>line.split (" ")).map (word => (word, 1)).groupByKey ()
  • D. val counts = textFile.flatMap (line=>line.split (" ")).map (word => (word, 1)).reduceByKey(_ +_)
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #3

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. 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)
  • 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. 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)
Reveal Solution  Discussion  0

Correct Answer: B,D  🗳️

Question #4

On the client of FusionInsight HD, execute the kinit {account} command to get what item of KDC?

  • A. TGT
  • B. Krb5.conf
  • C. jaas.conf
  • D. ST
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #5

In FusionInsight HD's Hive, the user-defined UDF can have the same name as the Hive built-in UDF. In this case, the user-defined UDF will be used.

  • A. False
  • B. True
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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