Q.1
A ___________ node enables a workflow to make a selection on the execution path to follow.
  • a) fork
  • b) decision
  • c) start
  • d) none of the mentioned
Q.2
Point out the correct statement.
  • a) Predicates are JSP Expression Language (EL) expressions
  • b) Predicates are evaluated in order or appearance until one of them evaluates to true and the corresponding transition is taken
  • c) The name attribute in the decision node is the name of the decision node
  • d) All of the mentioned
Q.3
Which of the following can be seen as a switch-case statement?
  • a) fork
  • b) decision
  • c) start
  • d) none of the mentioned
Q.4
All decision nodes must have a _____________ element to avoid bringing the workflow into an error state if none of the predicates evaluates to true.
  • a) name
  • b) default
  • c) server
  • d) client
Q.5
Point out the wrong statement.
  • a) The fork and join nodes must be used in pairs
  • b) The fork node assumes concurrent execution paths are children of the same fork node
  • c) A join node waits until every concurrent execution path of a previous fork node arrives to it
  • d) A fork node splits one path of execution into multiple concurrent paths of execution
Q.6
The ___________ attribute in the join node is the name of the workflow join node.
  • a) name
  • b) to
  • c) down
  • d) none of the mentioned
Q.7
If a computation/processing task -triggered by a workflow fails to complete successfully, its transitions to _____________
  • a) error
  • b) ok
  • c) true
  • d) false
Q.8
If the failure is of ___________ nature, Oozie will suspend the workflow job.
  • a) transient
  • b) non-transient
  • c) permanent
  • d) all of the mentioned
Q.9
A _______________ action can be configured to perform file system cleanup and directory creation before starting the mapreduce job.
  • a) map
  • b) reduce
  • c) map-reduce
  • d) none of the mentioned
Q.10
___________ properties can be overridden by specifying them in the job-xml file or configuration element.
  • a) Pipe
  • b) Decision
  • c) Flag
  • d) None of the mentioned
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