Oozie can make _________ callback notifications on action start events and workflow end events.(a) TCP(b) HTTP(c) IP(d) All of the mentionedThe question was posed to me in an internship interview.Origin of the question is Oozie with Hadoop in portion Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop

Oozie can make _________ callback notifications on action start events

1.	Oozie can make _________ callback notifications on action start events and workflow end events.(a) TCP(b) HTTP(c) IP(d) All of the mentionedThe question was posed to me in an internship interview.Origin of the question is Oozie with Hadoop in portion Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop
Answer» Correct answer is (b) HTTP Explanation: In the case of an action start FAILURE in a WORKFLOW JOB, DEPENDING on the type of failure, Oozie will attempt automatic retries, it will request a manual RETRY or it will fail the workflow job.

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