A.There is not an available disk to allocate to the sna……

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（）

A.Use the fuser command to identify deleted but open files.
B.Use the ipcs command to view orphan shared memory segments.
C.Use the defrag command to determine if the filesystem is fragmented.
D.Use the topas command to identify processes using the most system resources.

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（）

A."smit bffcreate" from the target directory
B."tar -xvf /dev/cd0" from the target directory
C."restore -xvqf /dev/cd0" from the target directory
D.mount the cdrom on /cdrom and run "cp /cdrom/* ." from the target 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（）

A.chlv -a paging01 25
B.chps -s 25 paging01
C.mkps -a 25 paging01
D.extendlv -a paging01 25

单项选择题A System p administrator needs to upgrade a system from AIX 5.2 to AIX 5.3.  Which of the following installation methods would minimize downtime（）

A.Migration installation
B.Partition Mobility
C.alt_disk_install
D.update_all smit fastpath and reboot during the next scheduled outage

单项选择题An administrator attempted to run a sar -u report and received the following error： sar： 0551-201 Cannot open  var adm sa sa12.  Which of the following should be scheduled in adm’s crontab to enable sar reporting（）

A.sar
B.sa1
C.vmo
D.iostat