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

1. HDFSThere is a file in the cluster and directorytext.txt, which of the following commands can find theDatNodeFestival point information?

A) hdfs fsck /test.txt-list-corruptfileblocks
B) hdfs fsck /test.txt-files
C) hdfs fsck /test.txt-blocks
D) hdfs fsck /text.txt-locations

2. Fusionlnsigt HDWhat distributed computing frameworks do big data platforms provide? (multiple choice)

A) Streaming
B) HBase
C) MapReduce
D) Spark

3. In useSolrWhen performing a full-text search, you canwtThe parameter specifies the response format of the query result.
aboutSolrThe response format of the query result, which of the following statements is wrong?

A) supportCSVandJSON
B) supportCSV,JSONandHTML
C) supportCSV,JSONandXML

4. existSpark, assuminglinesIs anDStreamObject, which of the following statements can periodically count the number of words on this stream?

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

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

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

Solutions: