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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/fslv02
File 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 continue
tried 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.

生产流程改进的方法有()。 取消。 合并。 完善。 重组。 简化。 人工费、材料费及机械台班费属于工程造价中的() 间接费。 措施费。 税费。 直接费。 A user performs an update on a table. Shortly after committing the transaction, they realize that they had an error in their WHERE clause causing the wrong rows to be updated. Which Flashback option would allow you to undo this transaction and restore the table to its previous state?()  Flashback Drop。  Flashback Query。  Flashback Versions Query。  Flashback Transaction Query。  Flashback Table。 You deploy a mobile messaging solution with Microsoft Exchange Server 2003 Service Pack 2.   The company security policy requires complex passwords on all the Microsoft Windows Mobilebased devices.   You provide a Microsoft Windows Mobile 5.0 smartphonebased device to a new user. The first time the user uses the device, the user is not prompted for a password. You need to ensure that the user is prompted for a password.   What should you do?() Instruct the user to set a PIN on the mobile device.。 Instruct the user to perform Microsoft Exchange ActiveSync synchronization Over-The-Air (OTA).。 On the Device Security Settings tab, select the Require both numbers and letters option.。 Add the user account of the user to the Exceptions list on the Device Security Settings tab.。 在企业生产流程再造中,确定关键流程的原则是()。 绩效的低下性。 地位的重要性。 落实的可行性。 技术的落后性。 任务的紧迫性。

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/fslv02
File 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 continue
tried to mount 
Which steps will resolve the problem?()

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