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单项选择题

A stock exchange needs extremely low latency in their disk subsystem. Which disk storage technology is mostlikely to fulfill their need?（）

A.SSD
B.SSA
C.SAS
D.SAN

单项选择题

What describes the difference between NPIV and vSCSI in the way fibre-channel attached disk and tape are presented when VIO Server is used?（）

A.NPIV presents Virtual HBA addresses and vendor specific information for disk and tape devices.vSCSI presents generic disk and tape device interfaces.
B.NPIV presents generic disk and tape device interfaces on virtual HBA addresses.vSCSI presents HBA addresses as SCSI with vendor specific information for disk and tape devices.
C.NPIV presents HBA addresses and vendor specific device information directly to the client partition.vSCSI presents vendor specific disk information and generic tape device interfaces through VIO server.
D.NPIV presents virtual HBA addresses with generic device information for SCSI based disk and tape devices.vSCSI presents vendor specific information for disk and tape device devices attached via SCSI hardware interfaces.