单选题Which of the following statements is TRUE about the primary system dump device?（）AIt is shared. BIt must be /dev/hd6. CIt must be an internal disk. DIt can be an external device.
题目
单选题
Which of the following statements is TRUE about the primary system dump device?（）
A
It is shared.
B
It must be /dev/hd6.
C
It must be an internal disk.
D
It can be an external device.