a) mradmin b) tasktracker c) jobtracker d) none of the mentioned Answer: c Explanation: tasktracker runs a ...
View QuestionWhich of the following command runs the HDFS secondary namenode?
a) secondary namenode b) secondarynamenode c) secondary_namenode d) none of the mentioned Answer: b Explanation: The secondary ...
View Question__________ command is used to interact and view Job Queue information in HDFS.
a) queue b) priority c) dist d) all of the mentioned Answer: a Explanation: Hadoop script can ...
View Question__________ mode is a Namenode state in which it does not accept changes to the name space.
a) Recover b) Safe c) Rollback d) None of the mentioned Answer: c Explanation: dfsadmin runs a ...
View Question_________ command is used to copy file or directories recursively.
a) dtcp b) distcp c) dcp d) distc Answer: b Explanation: Usage of the distcp command: hadoop ...
View QuestionPoint out the wrong statement.
a) classNAME displays the class name needed to get the Hadoop jar b) Balancer Runs a cluster balancing ...
View QuestionIn ___________ mode, the NameNode will interactively prompt you at the command line about possible courses of action you can take to recover your data.
a) full b) partial c) recovery d) commit Answer: c Explanation: Recovery mode can cause you to ...
View QuestionHDFS supports the ____________ command to fetch Delegation Token and store it in a file on the local system.
a) fetdt b) fetchdt c) fsk d) rec Answer: b Explanation: Delegation token can be later used ...
View QuestionPoint out the correct statement.
a) All hadoop commands are invoked by the bin/hadoop script b) Hadoop has an option parsing framework that ...
View QuestionWhich hdfs command is used to check for various inconsistencies?
a) fsk b) fsck c) fetchdt d) none of the mentioned Answer: b Explanation: fsck is ...
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