Q. In order to turn on RPC authentication in hadoop, set the value of hadoop.security.authentication property to _________

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Q. The __________ provides a proxy between the web applications exported by an application and an end user.

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Q. ___________ used by YARN framework which defines how any container launched and controlled.

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Q. The ____________ requires that paths including and leading up to the directories specified in yarn.nodemanager.local-dirs.

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Q. The configuration file must be owned by the user running _________

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Q. __________ storage is a solution to decouple growing storage capacity from compute capacity.

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Q. ___________ is added for supporting writing single replica files in memory.

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Q. Which of the following has high storage density?

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Q. Which of the following storage policy is used for both storage and compute?

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Q. Which of the following is only for storage with limited compute?

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Q. When a block is warm, some of its replicas are stored in DISK and the remaining replicas are stored in _________

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Q. ____________ is used for storing one of the replicas in SSD.

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Q. ___________ is used for writing blocks with single replica in memory.

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Q. _________ is a data migration tool added for archiving data.

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Q. Which of the following is used to list out the storage policies?

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Q. Which of the following statement can be used to get the storage policy of a file or a directory?

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Q. Which of the following method is used to get user-specified job name?

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Q. __________ get events indicating completion (success/failure) of component tasks.

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Q. _________ gets the diagnostic messages for a given task attempt.

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Q. reduceProgress() gets the progress of the job’s reduce-tasks, as a float between _________

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