In which way do VNX Snapshots differ from SnapView Snapshots?

A.
VNX Snapshots use redirect on first write; SnapView Snapshots use copy on first write

B.
VNX Snapshots require Reserved LUN Pools; SnapView Snapshots use space from same pool
as Primary LUN

C.
VNX Snapshots work with RAID Group LUNs or pool LUNs; SnapView Snapshots work only
with pool LUNs

D.
VNX Snapshots consume large amounts of pool capacity; SnapView Snapshots consume small
amounts of pool capacity