单项选择题 The lsvg -o command is run with an output of only rootvg, but the server has another volume group named datavg, which is notdisplayed. What is the likely cause?（）

单项选择题 What must an administrator do to create two new volume groups on a system with only one spare disk?（）

单项选择题 A system has a mirrored data volume group that has a filesystem /data of 10 logical partitions. How many physical partitions will thefilesystem have?（）