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How many keys will be passed to the reducer?

You have the following key value pairs as output from your Map task:
(The, 1)
(Fox, 1)
(Runs, 1)
(Faster, 1)
(Than, 1)
(The, 1)
(Dog, 1)
How many keys will be passed to the reducer?

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A.
One

B.
Two

C.
Three

D.
Four

E.
Five

F.
Six

Explanation:
Only one key value pair will be passed from thetwo(The, 1) key value pairs.

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