Point out the wrong statement.
A. For distributed storage, Spark can interface with a wide variety, including Hadoop Distributed File System (HDFS)
B. Spark also supports a pseudo-distributed mode, usually used only for development or testing purposes
C. Spark has over 465 contributors in 2014
D. All of the mentioned
Answer: Option D
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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