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Huawei HCIP-Big Data Developer Sample Questions:

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

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

2. In FusionInsight HD, regarding Hive's data loading function (importing data through Hive's LOAD command), what is wrong in the following description?

A) Hive's data loading process will not parse the specific file content, mainly the process of file transfer
B) It can be directly loaded to the hive table from the local hard disk of the node where HiveServer is located
C) It can be loaded directly to the hive table from HDFS
D) It can be directly loaded to the hive table from the local hard disk of the node where the client is located

3. In FusionInsight HD, which of the following scenarios does Streaming apply to? (multiple choice)

A) Offline log analysis
B) Streaming data monitoring
C) Real-time access statistics of the website
D) Traffic flow analysis

4. In FusionInsight HD, Oozie needs to upload the configuration files and jar packages that the job relies on to HDFS before submitting the job

A) False
B) True

5. In HDFS application development, which of the following are the interfaces supported by the HDFS service? (multiple choice)

A) BufferedOutputStream.flush
B) FileSystem.append
C) BufferedOutputStream.write
D) FileSystem.create

Solutions: