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

第1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？（）

• A、This command should be executed from the global configuration mode.
• B、The IP address 10.121.16.8 is the local router port used to forward data.
• C、102 is the remote DLCI that will receive the information.
• D、This command is required for all Frame Relay configurations.
• E、The broadcast option allows packets， such as RIP updates， to be forwarded across the PVC

第2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.

第3题：

第4题：

All of the following statements accurately describe process for administering file systems EXCEPT:（）

• A、A logical volume must exist prior to running the crfs command to create a file system
• B、A file system must be unmounted before it can be removed
• C、Defining a file system imposes a structure on a logical volume
• D、Removing a file system using rmfs automatically removes the underling logical volume

第5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（）。

• A、This command should be executed from the global configuration mode
• B、The IP address 10.121.16.8 is the local router port used to forward data
• C、102 is the remote DLCI that will receive the information
• D、This command is required for all Frame Relay configurations
• E、The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC

第6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？（） 

• A、 The command restores only the missing control file.
• B、 The command restores all the control files.
• C、 The command fails because the database is running.
• D、 This is the correct way to address this problem.
• E、 This is not the correct way to address this problem.

第7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 /data1
• B、 Run defragfs -r /dev/lv01； defragfs /dev/lv01
• C、 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.

第8题：

第9题：

Once the filemon command is invoked, which of the following procedures should be performed to stop the command so that the filemon reports will still be generated? （）

• A、Run "filemon -u".
• B、Run the "trcstop" command.
• C、Perform a "kill -9" of the filemon process.
• D、Send a SIGSTOP signal to the filemon process.

第10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?（）

• A、Run the xstart command.
• B、Install the Windows software.
• C、Change the console to /dev/lft.
• D、Copy the xdefaults file to the home directory.