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Hadoop · Q10

Advanced MapReduce Concepts

Programming · Hadoop · question 10

Q10

In advanced MapReduce, what does the term "MapReduce speculative execution" refer to?

A.
Execute multiple Map tasks in parallel
B.
Execute a backup task if the original task is slow
Answer
C.
Execute Map and Reduce tasks simultaneously
D.
Execute tasks in a distributed environment

Answer: Option B

Solution

Answer: Option B
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