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Huawei HCIP-Big Data Developer Sample Questions:

1. What are the several parameter setting methods for Spark applications? (multiple choices)

A) In the application code, set by the setProperty method of SparkContext
B) In the application code, set through the SparkConf object
C) When submitting the application, set it through --conf
D) Configure in the application configuration file spark-defaults.conf

2. 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) True
B) False

3. In HBase of FusionInsight HD, which of the following scenarios will not trigger the Flush operation?

A) Initiate Flush operation through the client specified method
B) The total memory of RegionServer exceeds the threshold
C) The MemStore setting of the Region exceeds the threshold
D) The scan caching is set too large when the client initiates a scan request

4. For Spark Streaming applications, in a JVM, only one StreamingContext can be active at the same time.

A) True
B) False

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

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

Solutions: