You are the network administrator for The network consists of a single Active Directory domain named All network servers run Windows Server 2003. You are directed to back up all files in folder named c:\Data on one of the servers. You use the Backup utility to perform a normal backup of c:\Data. When the backup is complete, you review the backup log file and discover the following message: "WARNING: Portions of '\Data\Letter.doc' cannot be read. The backed up data is corrupt or incomplete. This file will not restore correctly" You need to ensure that all documents in c:\Data can be restored successfully. What should you do?（） [" In the Backup utility, specify an incremental backup. Run the backup again."," In the Backup utility, clear the Disable volume shadow copy option. Run the backup again."," In the attribute properties of c:\\Data\\Letter.doc, select the File is ready for archiving option. Run the backup again."," In the Offline settings dialog box of c:\\Data, select the All files and programs that users open from the share will be automatically available offline option. Run the backup again."]
领导者思维活动过程也更多地体现在对各类问题解决的过程中。创新思维分为（）、（）、（）、（）这几个步骤。 ["提出假设","分析问题","发现问题","验证假设"]
Which one of the following is the most commonly used layer 2 network device?（） [" Hub"," Bridge"," Switch"," Router"," Repeaters"," None of the above"]
反射弧是由（），（），（），（），和（）五个部分组成。
县级机关党的基层委员会，每届任期（）年。机关党的代表大会代表实行（）。
简述陆地生物群落类型及其动物的特征变化。
