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

1. In Kafka, which statement about Consumer is correct? (multiple choice)

A) The new ConsumerAPI consumption data does not need to specify the ZooKeeper address
B) When multiple Consumers are configured with the same group.id, the data consumed by these Consumers will not be repeated
C) Consumer mainly conducts data consumption
D) Topic needs to be specified when Consumer consumes data

2. In FusionInsigt HD, an application deployed on Tomcat needs to access the HBase service. In this scenario, it is recommended to use a machine-to-machine account.

A) True
B) False

3. 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) True
B) False

4. Regarding Streaming's topology, what is wrong in the following description?

A) Topology will keep running until it is explicitly killed
B) Business logic is encapsulated in Topology
C) A Topology is a directed acyclic graph (DAG) connected by a set of Spout components and Bolt components through Stream Groupings
D) A Topology can only specify to start one Worker process

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

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

Solutions: