1.

A workflow definition is a ______ with control flow nodes or action nodes.(a) CAG(b) DAG(c) BAG(d) None of the mentionedI got this question at a job interview.This intriguing question originated from Oozie with Hadoop topic in division Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop

Answer»

Correct choice is (b) DAG

To explain I WOULD SAY: Oozie does not support CYCLES in workflow definitions, workflow definitions MUST be a strict DAG.



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