Oozie with Hadoop MCQ

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• ___________ properties can be overridden by specifying them in the job-xml file or configuration element.
  ক

  Pipe

  খ

  Decision

  গ

  Flag

  ঘ

  None of the mentioned
• A _______________ action can be configured to perform file system cleanup and directory creation before starting the mapreduce job.
  ক

  map

  খ

  reduce

  গ

  map-reduce

  ঘ

  none of the mentioned
• If the failure is of ___________ nature, Oozie will suspend the workflow job.
  ক

  transient

  খ

  non-transient

  গ

  permanent

  ঘ

  all of the mentioned
• If a computation/processing task -triggered by a workflow fails to complete successfully, its transitions to _____________
  ক

  error

  খ

  ok

  গ

  true

  ঘ

  false
• The ___________ attribute in the join node is the name of the workflow join node.
  ক

  name

  খ

  to

  গ

  down

  ঘ

  none of the mentioned
• All decision nodes must have a _____________ element to avoid bringing the workflow into an error state if none of the predicates evaluates to true.
  ক

  name

  খ

  default

  গ

  server

  ঘ

  client
• Which of the following can be seen as a switch-case statement?
  ক

  fork

  খ

  decision

  গ

  start

  ঘ

  none of the mentioned
• A ___________ node enables a workflow to make a selection on the execution path to follow.
  ক

  fork

  খ

  decision

  গ

  start

  ঘ

  none of the mentioned
• If one or more actions started by the workflow job are executing when the ________ node is reached, the actions will be killed.
  ক

  kill

  খ

  start

  গ

  end

  ঘ

  finsih
• A workflow definition must have one ________ node.
  ক

  start

  খ

  resume

  গ

  finish

  ঘ

  none of the mentioned
• Node names and transitions must be conform to the following pattern =*=, of up to __________ characters long.
  ক

  *=, of up to __________ characters long. ] 10

  খ

  a-zA-Z

  গ

  a-zA-Z

  ঘ

  a-zA-Z
• ________ nodes that control the start and end of the workflow and workflow job execution path.
  ক

  Action

  খ

  Control

  গ

  Data

  ঘ

  SubDomain
• _____________ will skip the nodes given in the config with the same exit transition as before.
  ক

  ActionMega handler

  খ

  Action handler

  গ

  Data handler

  ঘ

  None of the mentioned
• Nodes in the config _____________ must be completed successfully.
  ক

  oozie.wid.rerun.skip.nodes

  খ

  oozie.wf.rerun.skip.nodes

  গ

  oozie.wf.run.skip.nodes

  ঘ

  all of the mentioned
• Workflow with id __________ should be in SUCCEEDED/KILLED/FAILED.
  ক

  wfId

  খ

  iUD

  গ

  iFD

  ঘ

  all of the mentioned
• ___________ nodes are the mechanism by which a workflow triggers the execution of a computation/processing task.
  ক

  Server

  খ

  Client

  গ

  Mechanism

  ঘ

  Action
• Which of the following workflow definition language is XML based?
  ক

  hpDL

  খ

  hDL

  গ

  hiDL

  ঘ

  none of the mentioned
• A workflow definition is a ______ with control flow nodes or action nodes.
  ক

  CAG

  খ

  DAG

  গ

  BAG

  ঘ

  None of the mentioned
• Oozie can make _________ callback notifications on action start events and workflow end events.
  ক

  TCP

  খ

  HTTP

  গ

  IP

  ঘ

  All of the mentioned
• Which of the following is one of the possible state for a workflow jobs?
  ক

  PREP

  খ

  START

  গ

  RESUME

  ঘ

  END
• Oozie v2 is a server based ___________ Engine specialized in running workflows based on time and data triggers.
  ক

  Compactor

  খ

  Collector

  গ

  Coordinator

  ঘ

  All of the mentioned
• Oozie Workflow jobs are Directed ________ graphs of actions.
  ক

  Acyclical

  খ

  Cyclical

  গ

  Elliptical

  ঘ

  All of the mentioned
• ___________ is a Java Web application used to schedule Apache Hadoop jobs.
  ক

  Impala

  খ

  Oozie

  গ

  Mahout

  ঘ

  All of the mentioned
• __________ is a server based Bundle Engine that provides a higher-level oozie abstraction that will batch a set of coordinator applications.
  ক

  Oozie v2

  খ

  Oozie v3

  গ

  Oozie v4

  ঘ

  Oozie v5