A large company has multiple data centers with heterogeneous arrays of various sizes at each site. Some arrays are reaching maximum utilization, and other arrays are underutilized.

Which storage virtualization method would enable them to improve overall utilization across sites?

A.
Flash drive cache tiering

B.
Horizontal storage tiering

C.
Vertical storage tiering

D.
Server-based storage tiering

Explanation:
Topic: Describe planning and design for storage in virtualized environments
Training: Mod 3, Designing for Virtualized and Cloud Environments