单项选择题
A.There is not an available disk to allocate to the snapshot volume group
B.One of the physical volumes associated with rootvg has a status of "missing"
C.Rootvg is running in enhanced concurrent mode
D.A snapshot volume group cannot be created for the rootvg
单项选择题 The df command indicates that a filesystem is full， however， the du command indicates that not all space is allocated. How would the system administrator isolate the discrepancy（）
单项选择题 everal people in an finance customer IT department are asking for fileset updates that the system administrator received from IBM earlier that day on CD-ROM. The system administrator created an install directory on their machine and made it available to everyone. Which of the following commands will allow the system administrator to copy the images from an IBM update CD-ROM to the install directory（）
单项选择题 Because of performance problems， capacity needs to be added to a paging space named paging01 on hdisk1. The physical partition size of hdisk1 is 4MB. Which command will increase the size of paging01 by 100MB（）