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Huawei HCIP-Big Data Developer V1.0 Sample Questions:

1. In FusionInsight HD, what are the roles that belong to the Streaming service? (multiple choice)

A) Nimbus
B) Broker
C) quorumpeer
D) Supervisor

2. In Spark, which of the following is the operator that takes the intersection of the DataFrame?

A) dropDuplicates():DataFrame
B) join (right: DataFrame, join Exprs: Column): DataFrame
C) filter (condifionExpr: String): DataFrame
D) intersect (other: Data Fra me): Data Fra me

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

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

4. In a MapReduce application, the output of the map function is processed by the MapReduce framework and sent to the reduce function. This process is based on key-value pairs for sorting and grouping.

A) False
B) True

5. In Spark, which statement about broadcast variables is correct?

A) Broadcast variables are generated by the SparkContext.broadcast() method
B) Broadcast variables are read-only
C) The broadcast variable is saved in each Executor
D) Broadcast variables are saved in each Task

Solutions: