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The ‘fsck -p /dev/lv00’ command returned the following message：Not a recognized filesystem type.
What is the likely cause of the problem and how should it be resolved？（）

All client computers on your company network were recently upgraded from Windows Vista to Windows7. Several employees use a scanner to import document images into a database. They install a new scanning application on their computers. The application updates the device driver for the scanners as part of the installation process. Employees report that the application can no longer connect to the scanner. You need to ensure that the employees can use the scanner. What should you do?（） Roll back the device driver to the previous version.。 Reinstall the application in Windows Vista compatibility mode.。 Set the application compatibility properties to run the application as an administrator.。 Restart the computer by using the System Configuration tool to load only basic devices and services.。 在进行汽包炉化学清洗时，如汽包的水位偏低，将（） 对清洗结果有影响，但不大。 造成清洗循环回路短路，使锅炉的受热面得不到彻底清洗。 会使清洗的腐蚀速率增大。 容易产生二次锈。 试述生产管理的地位及其在企业管理系统中的作用。 Users in your production database complain that they are getting the following error message while trying to insert rows into the ORDERS table：  ERROR at line 1：  ORA­01654： unable to extend index USERS.ORDERS_IND by 8 in tablespace INDEXES  While investigating， you find that the INDEXES tablespace has run out of space and there is no more free space on the disk where the data files are available.  Which two actions could you perform to overcome this error without affecting the queries that are currently being executed？（） drop and re­create the index。 coalesce the ORDERS_IND index。 coalesce the INDEXES tablespace。 drop and re­create the ORDERS table。 rebuild the index online and move it to another tablespace。 铁路建设工程施工质量验收的顺序是（）

The ‘fsck -p /dev/lv00’ command returned the following message：Not a recognized filesystem type.
What is the likely cause of the problem and how should it be resolved？（）