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

2. In FusionInsight HD, what are the data distribution methods belonging to Streaming? (multiple choice)

A) Field Grouping
B) Shuffle Grouping
C) Direct Grouping
D) Local Grouping

3. Which of the following business applications is not suitable for Hive?

A) Data mining (user behavior analysis, interest division, regional display)
B) Non-real-time analysis (log analysis, statistical analysis)
C) Data summary (number of user clicks per day/week, click ranking)
D) Real-time online data analysis

4. HDFS adopts a file access model of "write once, read many times". Therefore, it is recommended that after a file is created, written, and closed, it should not be modified.

A) False
B) True

5. Which distributed computing frameworks can the Hive component of FusionInsigt HD run on? (multiple choice)

A) Streaming
B) HDFS
C) MapReduoe
D) Spark

Solutions: