单选题On an IBM System Stoage DS8000 which of the following information pairs are mandatory to create a volume（）A extent pool id and volume idB extent pool id and volume nameC volume id and extent allocation methodD volume name and extent allocation method
题目
单选题
On an IBM System Stoage DS8000 which of the following information pairs are mandatory to create a volume（）
A
extent pool id and volume id
B
extent pool id and volume name
C
volume id and extent allocation method
D
volume name and extent allocation method