A database administrator has declared that a database for the Finance department can never age- off its data, even though old data may only be accessed for billing disputes in the future. The storage administrator does not need to use high performance disk to store this old data and chooses to place the database into a multi-tiered group of disks. The array can then move rarely accessed data between tiers as needed. This is called which of the following?

A.
VTL

B.
LVM

C.
HSM

D.
CAS