Point out the correct statement.
A. Scrunch's Java API is centered around three interfaces that represent distributed datasets
B. All of the other data transformation operations supported by the Crunch APIs are implemented in terms of three primitives
C. A number of common Aggregator<V> implementations are provided in the Aggregators class
D. All of the mentioned
Answer: Option C
This Question Belongs to Hadoop >> Realtime Processing With Apache Spark
What is Oozie in the context of Hadoop?
A. A workflow scheduler for Hadoop jobs
B. A distributed storage system
C. A query language for Hadoop
D. A data processing engine for Hadoop
In Oozie, what is the primary purpose of a coordinator?
A. Perform data analytics in Hadoop
B. Execute MapReduce jobs
C. Manage computation resources
D. Define and manage recurrent workflows
What is an Oozie Bundle in the context of workflow automation?
A. A storage format in Hadoop
B. A query language for Hadoop
C. A collection of coordinated workflows
D. A distributed file system
In Oozie, what does the term "action" refer to?
A. A query language for Hadoop
B. A unit of work in a workflow
C. A distributed file system
D. None of the above
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