Spark architecture is . . . . . . . . times as fast as Hadoop disk-based Apache Mahout and even scales better than Vowpal Wabbit.

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