在相同的时间内,一束波长为λ的单色光在空气中和在玻璃中( )。
A.传播的路程相等,走过的光程相等
B.传播的路程相等,走过的光程不相等
C.传播的路程不相等,走过的光程相等
D.传播的路程不相等,走过的光程不相等
A.传播的路程相等,走过的光程相等
B.传播的路程相等,走过的光程不相等
C.传播的路程不相等,走过的光程相等
D.传播的路程不相等,走过的光程不相等
第1题
A.The associated JFS2 log device has failed. Check the log device and varyon the device.
B.The logical volume that hosts the snapshots is full. Increase the size of the logical volume.
C.Fifteen snapshots already exist for the given JFS2 filesystem. Delete at least one existing snapshot.
D.The volume group that hosts both the snapshots and JFS2 filesystem has lost quorum. Check and correct the integrity of the volume group.
第2题
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
第3题
A.The file system superblock is dirty. It can be replaced from the VGDA
B.The logical volume superblock is dirty. It can be replaced from the VGDA
C.The file system superblock is dirty. It can be replaced from the secondary copy
D.The logical volume superblock is dirty. It can be replaced from the secondary copy
第4题
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 whilethe filesystem is unmounted
C.Force a umount of the filesystem with ‘umount -F /dev/fslv02‘, and then run ‘fsck p /dev/fslv02‘ whilethe file system 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
第5题
A./fs.data
B./image.data
C./bosinst.data
D./install.data
第6题
A.1
B.2
C.10
D.20
第7题
A.varyon of the paging device failed.
B.fsck of the root (/) filesystem failed.
C.varyon of the root volume group failed.
D.IPL device could not be opened or a read failed.
第8题
A、the size of the room: how large is the room?
B、the size of the audience: how many listeners are there?
C、the level of background noise: is it noisy or quiet?
D、the availability of a microphone: can you use a microphone?
第9题
A.who/filesystem
B.lsfs/filesystem
C.fuser/filesystem
D.umount-f/filesystem
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