Which target devices support Block Based Backup when Client Direct is enabled?

Which target devices support Block Based Backup when Client Direct is enabled?
A . CloudBoost, ProtectPoint devices and CloudBoost devices
B . CloudBoost, DD Boost, and ProtectPoint devices
C . DD Boost, CloudBoost, and Dell EMC Cloud Tier devices
D . AFTDs, DD Boost, and CloudBoost devices

Answer: D