单选题An administrator is ordering a new Power 550. They will mirror rootvg and are concerned about single points of failure. Which of the following features should be ordered（）A Dual I/O planar， dual disk drives， dual SCSI adaptersB Dual disk drive enclosu
题目
单选题
An administrator is ordering a new Power 550. They will mirror rootvg and are concerned about single points of failure. Which of the following features should be ordered（）
A
Dual I/O planar， dual disk drives， dual SCSI adapters
B
Dual disk drive enclosures， dual disk drives， extra media bay
C
Dual disk drive enclosures， dual disk drives and dual SCSI adapters
D
Dual I/O planar， extra media bay， dual disk drives