What components are required to create a storage view?

What components are required to create a storage view?
A . One or more BE ports; One or more devices; Metadata volume and Logging Volumes
B . One or more Host Initiators; One or more Virtual Volumes; One or more FE ports
C . One or more FE ports; One or more BE ports; One or more Virtual Volumes
D . One or more Host Initiators; One or more extents; One or more BE ports

Answer: B