On a VNX Unified storage system, which file components are responsible for system
management, access and failover?

A.
Control Stations 0 and 1; Data Movers 2 and 3
B.
Control Station 0; Data Mover 2
C.
Control Station 0; SPA,and SPB; first DAE
D.
DPE; Data Movers 2 and 3; SPA