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Huawei HCIP-Big Data Developer Sample Questions:

1. Which role in Yarn manages the resources (CPU/Memory) of a single node?

A) Data Node
B) ResourceManager
C) NodeManager
D) NameNode

2. In Spark, assuming that lines is a DStream object, which of the following statements can periodically count the number of words on this stream?

A) Iines.flatMap(_.split (" " )).map(word => (word, 1)).reduce(_ +_).print()
B) Iines.fIatMap(_.spIit (" " )).map(word => (word, 1)).reduceByKey(_ +_).print()
C) Iines.flatMap(_.split (" " )).map(word => (word,word.Iength())).reduceByKey (_ +_).print()
D) Iines.flatMap(_.split (" " )).flatMap(word => (word, 1)).groupByKey(_ +_).print()

3. In FusionInsight HD, which of the following are the configuration items of Oozie's MapReduce Action? (multiple choice)

A) mapred.mapper.class
B) name-node
C) source
D) job-tracker

4. In Kafka, is the following statement about the data sent by the Producer wrong? (multiple choice)

A) Producer can send data to Broker, and can send data to Consumer
B) Producer is responsible for producing data, Consumer is responsible for consuming data, Socket connection needs to be established between Producer and Consumer
C) As a message producer, Producer can directly write data to ZooKeeper
D) Producer can produce data by connecting to any normal Broker instance

5. Spark Streaming can receive data from Kafka and perform calculations. The calculation results can only be stored in HDFS and cannot be written back to Kafka.

A) False
B) True

Solutions: