Login to manage your account

Please enter a valid email address.
Forgot Password?
Please enter a valid password.
OR

Don't have an account yet? Sign up

What is the core idea of the MapReduce programming model?

  1. A Splitting work into parallel map tasks then combining results in reduce tasks
  2. B Processing all data on one node
  3. C Storing data in memory only
  4. D Streaming data continuously
Answer

Splitting work into parallel map tasks then combining results in reduce tasks

The shuffle phase between map and reduce moves data across the network and is usually the performance bottleneck.

All Big data MCQs

Login to manage your account

Please enter a valid email address.
Forgot Password?
Please enter a valid password.
OR

Don't have an account yet? Sign up as