Which HP 3PAR StoreServ feature improves storage array resiliency?

A.
Persistence Ports

B.
Virtual Lock

C.
Virtual Copy

D.
Virtual Domains

Explanation:
“To provide greater resiliency and to avoid dependency on host multi-pathing software, HP 3PAR
StoreServ has introduced a new feature called Persistent Ports.” – in HP 3PAR High Availability