单项选择题
A. It is shared.
B. It must be /dev/hd6.
C. It must be an internal disk.
D. It can be an external device.
单项选择题 Usingoutputfrom"vmstat28,"whichofthefollowingoptionsismostappropriatetoconsiderwhendeterminingifasystemisexperiencingmemorythrashing?（）
单项选择题 To examine the Exhibit, press the Exhibit button. Based on the output of the "netstat -p udp" command as shown in the exhibit, which of the following procedures should be performed?（）
单项选择题 Adiskcontainsseverallogicalvolumes.Whichofthefollowingcommandsindicateshowmuchdataisreadfromorwrittentoaparticularlogicalvolumeonthesamedisk?（）