Which of the following options is CORRECT?

A.
InfoSphere BigInsights is based on a branched Hadoop distribution, and therefore backwards
compatibility is not guaranteed.

B.
InfoSphere BigInsights is a distributed file system used as base for Hadoop distributions.

C.
InfoSphere BigInsights is based on the non forked core Hadoop distribution, but backwards
compatibility with the Apache Hadoop project is not guaranteed, therefore applications written for
Hadoop might not run on BigInsights.

D.
InfoSphere BigInsights is based on the non forked core Hadoop distribution, and backwards
compatibility with the Apache Hadoop project will always be maintained. Therefore, all applications
written for Hadoop will run on BigInsights.