Hadoop

Level:-Basic
Q(1)	EMR stands for _______.
A	Estimated MapReduce
B	Elastic MapReduce
C	Emergency MapReduce
D	None of the above
Q(2)	HDFS works in a _______ fashion.
A	worker/slave
B	master-slave
C	master-worker
D	All of the above
Level:-Intermediate
Q(1)	Map output is larger than _______ percent of the memory allocated to copying map.
A	10
B	15
C	25
D	35
Q(2)	_______ storage is a solution to decouple growing storage capacity.
A	DataNode
B	Archival
C	Policy
D	All of the above
Level:-Expert
Q(1)	Which of the following is a configuration management system?
A	Alex
B	Acem
C	Puppet
D	AAD
Q(2)	Which of the following operator is used to view the map reduce execution plans?
A	DUMP
B	DESCRIBE
C	STORE
D	EXPLAIN

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Hadoop

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