一个console站最多可以连接（）个CE站
A.1
B.2
C.3
D.4
参考答案：C
— Would you be able to go to the party?
— ____ I have to pick up my friend at the airport. [ ]
A. I'd love to.
B. I'm afraid not.
C. Absolutely !
D. Why not?
（）能够有效降低磁盘机械损坏给关键数据造成的损失。
A.热插拔
B.SCSI
C.RAID
D.FAST-ATA
