Which statement is not correct?

a. The management of data storage is more expensive than the purchase of storage hardware, which is why businesses opt for enterprise storage subsystems.

b. “Network attach” refers to establishing a many-to-many connection between storage devices and the corresponding servers by means of network technology.

c. Although SCSI has been a popular medium for connecting storage devices to servers and/or processors in the past, nowadays it is not used for high-performance and high-capacity workstations and servers.

d. The SCSI I/O command set is a type of block-level I/O protocol which can be exchanged over SCSI, Ethernet, or Fibre Channel cabling.