Which of the following statements are FALSE concerning the defragfs command？（）A、 The defragfs command should not be run against file systems and logical volumes that contain mostly transitory information， such as /tmp.B、 The defragfs command should not be run on a large JFS2 file system when running on a 32-bit kernel.C、 The defragfs command can improve file system performance by increasing the file system’s contiguous free space.D、 The defragfs command can only be run against file systems that are mounted with read-write permissions.
Which of the following statements are FALSE concerning the defragfs command？（）
- A、 The defragfs command should not be run against file systems and logical volumes that contain mostly transitory information， such as /tmp.
- B、 The defragfs command should not be run on a large JFS2 file system when running on a 32-bit kernel.
- C、 The defragfs command can improve file system performance by increasing the file system’s contiguous free space.
- D、 The defragfs command can only be run against file systems that are mounted with read-write permissions.
相关考题：
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多选题Your database is up and running and one of your three control files is accidentally erased. You start RMAN and run the following command： RESTORE CONTROLFILE FROM AUTOBACKUP； Which of the following statements is true？（）AThe command restores only the missing control file.BThe command restores all the control files.CThe command fails because the database is running.DThis is the correct way to address this problem.EThis is not the correct way to address this problem.
单选题A graphics card has just been added but is not available. The xinit command is run, however an error occurs. Which of the following procedures should be performed to fix the error?（）ARun the xstart command.BInstall the Windows software.CChange the console to /dev/lft.DCopy the xdefaults file to the home directory.
单选题The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command？（）AThis command should be executed from the global configuration mode.BThe IP address 10.121.16.8 is the local router port used to forward data.C102 is the remote DLCI that will receive the information.DThis command is required for all Frame Relay configurations.EThe broadcast option allows packets， such as RIP updates， to be forwarded across the PVC
单选题Which of the following statements are FALSE concerning the defragfs command？（）A The defragfs command should not be run against file systems and logical volumes that contain mostly transitory information， such as /tmp.B The defragfs command should not be run on a large JFS2 file system when running on a 32-bit kernel.C The defragfs command can improve file system performance by increasing the file system’s contiguous free space.D The defragfs command can only be run against file systems that are mounted with read-write permissions.
单选题All of the following statements accurately describe process for administering file systems EXCEPT:（）AA logical volume must exist prior to running the crfs command to create a file systemBA file system must be unmounted before it can be removedCDefining a file system imposes a structure on a logical volumeDRemoving a file system using rmfs automatically removes the underling logical volume
单选题Which of the following procedures WILL NOT increase contiguous free space on a the filesystem /data1， located on /dev/lv01， that is heavily fragmented？（）A Run defragfs -r /data1； defragfs /data1B Run defragfs -r /dev/lv01； defragfs /dev/lv01C Back up the filesystem by name， unmount the filesystem， recreate the filesystem by running mkfs /dev/lv01， and restoring the data from the backup.D Back up the filesystem by inode， unmount the filesystem， recreate the filesystem by running mkfs /dev/lv01， and restoring the data from the backup.