Category: Hadoop Oozie

The job is used to represented as Directed Acyclic Graphs (DAGs) to specify a sequence of actions to be executed.

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The job is used to represented as Directed Acyclic Graphs (DAGs) to specify a sequence of actions to be executed.
Oozie Workflow Jobs
Well Done. Your Answer is Correct Keep it Up! Explanation: Oozie Workflow Jobs : These are represented as Directed Acyclic Graphs (DAGs) to specify a sequence of actions to be executed.
Oozie Coordinator Jobs
Oozie Bundle Jobs
All Options are Correct

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A ___________ node enables a workflow to make a selection on the execution path to follow.

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A ___________ node enables a workflow to make a selection on the execution path to follow.
decision
Well Done. Your Answer is Correct Keep it Up! Explanation: All decision nodes must have a default element to avoid bringing the workflow into an error state if none of the predicates evaluates to true.
Fork
Start
Prep

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If the failure is of ___________ nature, Oozie will suspend the workflow job.

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If the failure is of ___________ nature, Oozie will suspend the workflow job.
non-transient
Well Done. Your Answer is Correct Keep it Up! Explanation: If the failure is an error and a retry will not resolve the problem, Oozie will perform the error transition for the action.
transient
permanent
Temporary

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Point out the correct statement.

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Point out the correct statement.
All Options are Correct
Well Done. Your Answer is Correct Keep it Up! 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.
Oozie is a Java Web-Application that runs in a Java servlet-container
Oozie workflow is a collection of actions arranged in a control dependency DAG
hPDL is a fairly compact language

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Workflow with id __________ should be in SUCCEEDED/KILLED/FAILED.

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Workflow with id __________ should be in SUCCEEDED/KILLED/FAILED.
wfId
Well Done. Your Answer is Correct Keep it Up! Explanation: Workflow with id wfId should exist.
iUD
iFD
All Options are Correct

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Which of the following is one of the possible state for a workflow jobs?

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Which of the following is one of the possible state for a workflow jobs?
Prep
Well Done. Your Answer is Correct Keep it Up! Explanation: Possible states for a workflow jobs are: PREP, RUNNING, SUSPENDED, SUCCEEDED, KILLED and FAILED.
End
Resume
Start

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Oozie Workflow jobs are Directed ________ graphs of actions.

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Oozie Workflow jobs are Directed ________ graphs of actions.
Acyclical
Well Done. Your Answer is Correct Keep it Up! Explanation: Oozie is a framework allowing to combine multiple Map/Reduce jobs into a logical unit of work.
Cyclical
Elliptical
None of the Option is Correct

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What is the full form of OEP?

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What is the full form of OEP?
Oozie Eclipse Plugin
Well Done. Your Answer is Correct Keep it Up! Explanation: Oozie Eclipse plugin (OEP) is an Eclipse plugin for editing Apache Oozie workflows graphically.
Oozie Editor Plugin
Oozie Eclipse Partition
Oozie Editor Partition

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Which of the following is incorrect job type in oozie?

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Which of the following is incorrect job type in oozie?
Oozie Notebundle jobs
Well Done. Your Answer is Correct Keep it Up! Explanation: Oozie Notebundle is incorrect, Oozie Bundle is correct job type.
Oozie Coordinator Jobs
Oozie Workflow Jobs
None of the Option is Correct

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Which of the following is true about oozie?

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Which of the following is true about oozie?
All Options are Correct
Well Done. Your Answer is Correct Keep it Up!
Oozie is an Open Source
Oozie is available under Apache license 2.0.
oozie manage Hadoop jobs in a distributed environment

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