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Huawei H13-723_V2.0 Exam Syllabus Topics:

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

Question 1

FusionInsight HDin, aboutLoaderIs the job description correct?

A. LoaderSubmit the job toARNAfter execution, if at this timeLoaderIf the service is abnormal, this job executes line failed.
B. LoaderSubmit the job toYARAfter a small execution, if a certainMapperTask execution fails, can be automatically Try again.
C. LoaderIf the job fails to execute, garbage data will be generated, which needs to be cleared manually by the user.
D. LoderSubmit an assignment toYARAfter the job is executed, no other jobs can be submitted until the job is executed Industry.

Question 2

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

A. lines.flatMap(_.split(" ")).map(word =>(word,word.length())).reduceByKey (_+_).print( )
B. lines.flatMap(_.split(" ")).flatmap(word =>(word,1)).groupByKey(_+_).print ( )
C. lines.flatMap(_.split(" ")).map(word =>(word,1)).reduceByKey(_+_).print ( )
D. lines.flatMap(_.split(" ")).map(word =>(word,1)).reduce(_+_).print( )

Question 3

existBaseIn application development, when a table'sRowkeyRange and distribution are known, pre-score is recommendedregion, Please call the following code (fragment) to pre-sort a tableregionAfter this table will create severalregion?
splits0=Bytes.toBytes("A");splits1=Bytes.toBytes("H");splits2
=Bytes.toBytes("O");splits3=Bytes.toBytes("U");admin.createTable(htd,splits);

A. 4
B. 5
C. 3
D. 6

Question 4

Rcboft0system, abouteWhich of the provided file formats is not in column format?

A. TextFile
B. Parquetcolumn store
C. RCFileRow-column storage
D. ORC(High-performance column store)

Question 5

SparkThe calculation logic of the application will be parsed intoDAG, this parsing operation is completed by which of the following function modules become?

A. Driver
B. Executor.
C. ApplicationMaster
D. Client

Solutions: