Which IBM solution is simple and easy to implement for this customer?

A customer has multiple block storage tiers in its environment, but has a siloed provisioning scheme today where volumes are defined on a single tier only. The customer has asked if IBM has anything that can help the customer to enable a more flexible approach to tiering.

Which IBM solution is simple and easy to implement for this customer?
A . IBM Spectrum Accelerate
B . ISM Spectrum Virtualize
C . IBM Spectrum Protect
D . IBM Spectrum Scale

Answer: B