The ‘lsvg -o’ command is run with an output of only rootvg， but the server has another volume group named datavg， which is not displayed.
What is the likely cause？（）

单项选择题Whatmustanadministratordotocreatetwonewvolumegroupsonasystemwithonlyonesparedisk？（）

A.Run the ‘mkvg -M’ command to create multiple volume groups on a single disk
B.Add a new disk to the system or release a disk from the one of the existing volume groups
C.Run the ‘mkvg’ command to create multiple volume groups on a single disk providing the disk does not have a PVID
D.Run the ‘mkvg’ command to create multiple volume groups on a single disk providing the volume groups have the same PP size

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 the filesystem have？（）

A.1
B.2
C.10
D.20

单项选择题Whichofthefollowingexplainstherelationshipbetweenaphysicalandlogicalpartition？（）

A.A physical partition is hosted on one or more logical partitions. A logical partition is used when describing storage.
B.A logical partition is hosted on one or more physical partitions. A physical partition is used when describing storage.
C.A physical partition is used when describing only a SCSI or SAS disk. A logical partition is used when describing a SAN LUN.
D.A logical partition is used when describing only a SATA or SAS disk. A physical partition is used when describing RAID or mirrored arrays.

单项选择题Howcananadministratorverifythatthediskisstillusablewhentheoutputof‘lspv’shows‘hdisk1’isinamissingstate？（）

A.lspv -l hdisk1
B.lscfg -l hdisk1
C.lsattr -l hdisk1
D.dd if=/dev/hdisk1 bs=512k count=10 of=/tmp/disk.txt

单项选择题An administrator needs to apply a Technology Level update. During the preview install， the output indicates that there is insufficient space in the  usr filesystem. Review of the root volume group indicates there are no available physical partitions， but the  test jfs2 filesystem is only 8% used.  What is the most efficient method to use the available space in the  test filesystem to apply the update？（）

A.Use chfs to reduce the /test filesystem
B.Use cplv to copy the /test filesystem to a smaller logical volume
C.Use migratepv l to move the /test filesystem to a different volume group
D.Backup the /test filesystem， remove it， and recreate it with a smaller size