Architecture on Apache Hadoop related Questions and Answers

Question 1 : __________ is the parent argument used to specify the relative path to which the files should be archived to
1. -archiveName <name>
2. -p <parent_path>
3. <destination>
4. <source>
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Question 2 : _________ identifies filesystem path names which work as usual with regular expressions.
1. -archiveName <name>
2. <source>
3. <destination>
4. none of the mentioned
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Question 3 : Which of the following parameter describes destination directory which would contain the archive ?
1. -archiveName
2. <source>
3. <destination>
4. none of the mentioned
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Question 4 : _________ is a pluggable Map/Reduce scheduler for Hadoop which provides a way to share large clusters.
1. Flow Scheduler
2. Data Scheduler
3. Capacity Scheduler
4. None of the mentioned
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Question 5 : The __________ guarantees that excess resources taken from a queue will be restored to it within N minutes of its need for them.
1. capacitor
2. scheduler
3. datanode
4. none of the mentioned
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Question 6 : Using Hadoop Archives in __________ is as easy as specifying a different input filesystem than the default file system.
1. Hive
2. Pig
3. MapReduce
4. All of the mentioned
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Question 7 : _________ is the name of the archive you would like to create.
1. archive
2. archiveName
3. name
4. none of the mentioned
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Question 8 : Output of the mapper is first written on the local disk for sorting and _________ process.
1. shuffling
2. secondary sorting
3. forking
4. reducing
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Question 9 : __________ controls the partitioning of the keys of the intermediate map-outputs.
1. Collector
2. Partitioner
3. InputFormat
4. None of the mentioned
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Question 10 : The default InputFormat is __________ which treats each value of input a new value and the associated key is byte offset.
1. TextFormat
2. TextInputFormat
3. InputFormat
4. All of the mentioned
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