a) Hive b) MapReduce c) Imphala d) All of the mentioned Answer: b Explanation: Multi-tenant data processing ...
View QuestionPoint out the correct statement.
a) YARN also extends the power of Hadoop to incumbent and new technologies found within the data center
View Question________ is the architectural center of Hadoop that allows multiple data processing engines.
a) YARN b) Hive c) Incubator d) Chuckwa Answer: a Explanation: YARN is the prerequisite for Enterprise ...
View QuestionThe Job makes a copy of the _____________ so that any necessary internal modifications do not reflect on the incoming parameter.
a) Component b) Configuration c) Collector d) None of the mentioned Answer: b Explanation: A Cluster will ...
View QuestionreduceProgress() gets the progress of the job’s reduce-tasks, as a float between _________
a) 0.0-1.0 b) 1.0-2.0 c) 2.0-3.0 d) None of the mentioned Answer: a Explanation: mapProgress() is used ...
View Question_________ gets the diagnostic messages for a given task attempt.
a) getTaskOutputFilter(Configuration conf) b) getTaskReports(TaskType type) c) getTrackingURL() d) all of the mentioned Answer: a Explanation: getTaskDiagnostics(TaskAttemptID taskid) gets the diagnostic messages for ...
View Question__________ get events indicating completion (success/failure) of component tasks.
a) getJobName() b) getJobState() c) getPriority() d) getTaskCompletionEvents(int startFrom) Answer: d Explanation: getPriority() provides scheduling info of ...
View QuestionWhich of the following statement can be used to get the storage policy of a file or a directory?
a) hdfs dfsadmin -getStoragePolicy path b) hdfs dfsadmin -setStoragePolicy path policyName c) hdfs dfsadmin -listStoragePolicy path policyName d) ...
View QuestionWhich of the following is used to list out the storage policies?
a) hdfs storagepolicies b) hdfs storage c) hd storagepolicies d) all of the mentioned Answer: a Explanation: ...
View QuestionWhich of the following method is used to get user-specified job name?
a) getJobName() b) getJobState() c) getPriority() d) all of the mentioned Answer: a Explanation: getPriority() is ...
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