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Huawei HCIP-Big Data Developer Sample Questions:

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

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

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

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

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

4. What distributed computing framework does the FusionInsigt HD big data platform provide? (multiple choice)

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

5. In FusionInsigt HD, which of the following components can be used for data collection? (multiple choice)

A) Flume
B) MapReduoe
C) Loader
D) HBase

Solutions: