CompTIA Exam Questions

Which method of mass storage automatically puts often used data onto an online source, while storing

Which method of mass storage automatically puts often used data onto an online source, while
storing less used data on a near-line source such as a tape system?

A.
SAN (Storage Area Network)

B.
HSM (Hierarchical Storage Management)

C.
RAID (Redundant Array of Independent Disks)

D.
NAS (Network Attached Storage)