What the only two types of SCSI controllers?

What the only two types of SCSI controllers? (Select two)

A.
LSS Logic

B.
Buslogic

C.
Busram

D.
LSI Logic

Explanation:

In an ESX Server environment, each virtual machine includes from one to four virtual SCSI HBAs (host bus adapters). These virtual adapters may appear as either Buslogic or LSI Logic SCSI controllers. They are the only types of SCSI controllers that are accessible by a virtual machine.