It’s helpful to look at the characteristics of big data along certain lines – for example, how the data is collected,
analyzed and processed. There are many characteristics to consider. Which one of the following is NOT a
characteristic that should be considered?

A.
Data frequency and size

B.
Software

C.
Data source

D.
Processing methodology

Explanation:
http://www.ibm.com/developerworks/library/bd-archpatterns1/