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Point out the correct statement.

(a) Oozie is a Java Web-Application that runs in a Java servlet-container

(b) Oozie workflow is a collection of actions arranged in a control dependency DAG

(c) hPDL is a fairly compact language

(d) All of the mentioned

This question was addressed to me in a job interview.

I'm obligated to ask this question of Oozie with Hadoop topic in section Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop

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The correct choice is (d) All of the mentioned

Best explanation: Control nodes define the flow of execution and include beginning and end of a workflow (start, end and fail nodes) and mechanisms to control the workflow execution path.

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