[填空题] 对用户授予和收回数据库操作的语句关键字分别为（）和（）。

Your network contains an Active Directory forest. The forest schema contains a custom attribute  for user objects.     You need to give the human resources department a file that contains the last logon time and the  custom attribute values for each user in the forest.     Which should you use（） ["the Dsquery tool","the Export-CSV cmdlet","the Get-ADUser cmdlet","the Net.exe user command"] 某单位欲将功率因数值由cosφ1，提高至cosφ2，则所需装设的补偿电容器应按（）式选择 ["Qc=P（cosφ1-cosφ2）","Qc=P（cosφ2-cosφ1）","Qc=P（tgφ1-tgφ2）","Qc=P（tgφ2-tgφ1）"] You are the network administrator for your company. All network servers run Windows Server 2003. The network includes a file server named File1. File1 contains a single disk for system files and two SCSI hard disks that comprise a 72-GB mirrored volume with 65 GB of read-only data. Users connect to this data by using shortcuts on their desktops. File1 is scheduled for replacement. You have a scheduled maintenance window to complete this task. Before the maintenance window, you build a new server. You need to bring the new server online with current data and re-establish redundancy as quickly as possible. You must also ensure that the desktop shortcuts will continue to function. What should you do? （） [" Name the new server File2. Create a new mirrored volume by using two 72-GB disks. Connect File2 to the network and copy the data from File1. When copying is complete, shut down the old File1."," Name the new server File1. Move both disks from the old File1 to the new File1. Scan the disks for changes. Import the disks. Connect the new File1 to the network."," Name the new server File1. Break the mirror on the old File1. Move one of the disks from the old File1 to the new File1. Scan the disk for changes. Initialize the disk. Select the spare disk and create the mirror. Connect the new File1 to the network."," Name the new server File1. Remove one of the disks in the mirror from the old File1. Move the disk to the new File1. Scan the disk for changes. Import the disk. Shut down the old File1 and connect the new File1 to the network."] 您正在使用 Microsoft Visual Studio 2005 IDE 检查输出的一种方法返回的字符串。 您可以分配方法的输出到一个名为 fName 的字符串变量。您需要编写以下打印在单独的一行消息的代码段： "测试失败：" FName 如果 fName 的值并不等同于"Certkiller"，您还需要确保代码段同时方便不间断地的执行应用程序的值。 您应该使用哪个代码段？（） ["Debug.Assert（fName=="CertKiller"，"TestFailed："，fName）；","Debug.WriteLineIf（fName!="CertKiller"，fName，"TestFailed："）；","",""] 反变形法 对用户授予和收回数据库操作的语句关键字分别为（）和（）。