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

2. In Flume, what is the main function of the source function module?

A) Split the data and send the data to different destinations according to the characteristics of the data
B) Cache data and save the data in memory or files according to different reliability strategies
C) Obtain data and convert the original data into data objects that you process
D) Output data to destination, support multiple output protocols

3. In FusionInsight HD, which method of the OozieClient class will be called by the JAVA API of the Oozie client when running tasks?

A) submit
B) getJobInfo
C) suspend
D) run

4. Regarding the file format provided by Hive in the FusionInsight HD system, which is not a columnar file?

A) Parquet
B) TextFiIe
C) RCFile
D) CRC

5. In Kafka, which of the following commands can check how many partitions a topic has?

A) kafka-topics.sh --list
B) kafka-topics.sh - describe
C) kafka-topics.sh --alter
D) kafka-topics.sh --create

Solutions: