What is a feature of Dell EMC Unity unified snapshots?

What is a feature of Dell EMC Unity unified snapshots?
A . Delta set extension
B. Copy on First Access
C. Redirect on Write
D. Copy on First Write

View Answer

Answer: C

Explanation:

Reference; https://www.delltechnologies.com/en-ba/collaterals/unauth/white-papers/products/storage/h15089- dell_emc_unity-snapshots_and_thin_clones.pdf (7)