IBM(000-104)单项选择题每日一练(2019.03.21)

单项选择题
Which command should an administrator use to view files and volume group backup information from a mksysb called server1.mksysb that is found in /backups?（）
A.lsmksysb -l /backups/server1.mksysb
B.showmksysb -f /backups/server1.mksysb
C.listvgbackup -f /backups/server1.mksysb
D.showvgbackup -l /backups/server1.mksysb
单项选择题
The server host1 has been set up as a backup system with the following /etc/exports：/backups -rw.How can a second server regularly use this disk space？（）
A./usr/sbin/mkfs -s 8G -o nbpi=2048，frag=512 /dev/lv00 -b -l host1
B./usr/sbin/crnfsmnt -d /backups -l /backups host1 -R -X -v -S -b bg
C./usr/sbin/mknfsmnt -f /backups -d /backups -h host1 -a -S -t rw -w bg -g
D./usr/sbin/crfs -v nfs -g vg1 -A yes -p rw -m /backups -a logname=/dev/lv00
单项选择题
An administrator is attempting to recover a filesystem that fails to manually unmount. The fsck command produces the following output：The current volume is： /dev/fslv02File system is currently mounted. Invalid file system size in the primary superblock.Invalid file system size in the secondary superblock. Primary superblock is corrupt. Secondary superblock is corrupt. fsck： 0507-018 Superblock is corrupt and cannot be repaired.Both primary and secondary copies are corrupt.Cannot continuetried to mount Which steps will resolve the problem？（）
A.Reboot the server into maintenance mode and run ‘fsck’ with the ‘-p’ parameter while the filesystem is mounted.
B.Reboot the server into maintenance mode and run ‘fsck’ with the ‘-y’ parameter while the filesystem is unmounted.
C.Force a umount of the filesystem with ‘umount -F /dev/fslv02’， and then run ‘fsck -p /dev/fslv02’ while the filesystem is unmounted.
D.Force a umount of the filesystem by varying off the hosting volume group and then varyon the volume group. This will permit ‘fsck -y’ to be run against the failing filesystem.
单项选择题
Which of the following explains the relationship between a physical and logical partition？（）
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
A user is unable to determine the default system text editor.How can the local administrator assist the user by identifying the default text editor for the system？（）
A.Login as the user and run ’echo $ENV’.
B.Login as root and run the ’env’ command.
C.Login as root and ’cat /etc/environment’.
D.Login as the user and run the ’env’ command.