Which of the following are valid conditions for installing the Paravirtualized SCSI (PVSCSI)
adapter in a guest using VMware ESX 4.0 Update 1 or greater (Choose Two)?

A.
The Guest Operating Systems can be any guest that supports Paravirtualization

B.
The adapter can be used with the OS and data virtual disk

C.
The adapter should be used with the data virtual disk only

D.
The Guest Operating System must be Windows 2003,2008 or RHEL 5

Explanation:
vSphere Basic System Administration vCenter Server 4.0 ESX 4.0 ESXi 4.0, page 165 VMware recommends that you create a primary adapter (LSI Logic by default) for use with a disk that will host the system software (bootdisk) and a separate PVSCSI adapter for the disk that will store user data, such as a database Paravirtual SCSI adapters are available for virtual machines running hardware version 7 and greater. They are supported on the following guest operating systems:
Windows Server 2008
Windows Server 2003
Red Hat Linux (RHEL) 5
The following features are not supported with Paravirtual SCSI adapters:
Boot disks