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

1. existMapReduceIn application development of , which of the followingJAVA, Class responsible for managing and running a computational task?

A) Configuration
B) Context
C) FileSystem
D) lob

2. A project needs to count the Internet access in a certain area and the serious crime in the area. Please make it clear that Nanyao teaches Huajin that it needs to be preserved, and fully check this Are there sensitive information in these Internet records for pre-optimal solutions?

A) When storing data, inSolrOn the construction of information, through the customs messenger is on the electricity, if the lack of quality, Wan Mo dad will put the complete data,
B) When querying, bysorFull-text search to obtain record key
C) existHBasestore data on theHBaseThe filtering characteristics of , satisfy fuzzy matching query.
D) existsorCreate an index on the database, save the data, and return all the data when the full text is checked.

3. existSparkIn application development, which of the following codes can correctly count words?

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

4. HDFSclient withNcopy toHDFSWhen writing a file, if one of the replicas fails to write, all replicas will return write failure

A) True
B) False

5. FusionInsight HDmiddle,OozieBefore submitting the job, you need to upload the configuration files that this job depends on andjarpackage toHDFS

A) True
B) False

Solutions: