单选题Which sar option generates real-time disk I/O statistics?（）A sar -q B sar -P C sar -d D sar -D
单选题
Which sar option generates real-time disk I/O statistics?（）
A
sar -q
B
sar -P
C
sar -d
D
sar -D
参考解析
解析：
暂无解析
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