EMC Exam Questions

Which software feature is critical to reducing the amount of data that is backed up?

A company is planning an image-based backup solution for their virtual server environment, and would like to continue to use their existing backup software.
Which software feature is critical to reducing the amount of data that is backed up?

A.
File-level snapshot

B.
Open file plug-in

C.
Deduplication

D.
Changed file tracking