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Hadoop - Quiz(MCQ)
HDFS, by default, replicates each data block _____ times on different nodes and on at least ____ racks.
A)
1, 2
B)
2, 3
C)
3, 2
D)
All of the above

Correct Answer :   3, 2


Explanation : HDFS has a simple yet robust architecture that was explicitly designed for data reliability in the face of faults and failures in disks, nodes and networks.

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