使用create database命令定义一个数据库，包括定义（）文件和（）文件两个部分。
构成跨国企业垄断优势的因素有哪几个方面？
打开一个数据库使之成为当前库，有（）种方法，其中之一使用的命令关键字为（）。
你负责配置和维护SQL Server 2005机器上的一个备份作业。备份文件被写入到一个与数据库服务器相连的磁带驱动里。将来，你们部门会安装新的备份服务器。然后就可以将备份文件写入新服务器上的磁盘。为简化维护，你要设置备份作业，以便备份到新服务器时所需的变动最小。你会怎样做？（） 设置备份作业写入内部磁盘，准备好新的备份服务器后，修改备份作业。。 设置备份作业写入引用磁带驱动器的备份设备，安装好新的服务器之后，修改备份设备指向新的备份服务器。。 设置备份作业直接写至磁带驱动器，将磁带驱动移动至新的备份服务器。。 设置备份作业写入内部磁盘，新的服务器就位后修改备份作业使用新的备份设备。。
You are the network administrator for your company. Your network consists of a single Active Directory domain. All network servers run Windows Server 2003. Each domain controller contains one disk that is configured with both the system partition and the boot partition. Every day, you use custom software to perform a full backup of user profiles and user data. The custom backup software provides a bootable floppy disk that includes the drivers for the backup media. Every Sunday, you run the Automated System Recovery (ASR) wizard on your domain controllers in conjunction with removable backup media. Data is backed up in a file named Backup1.bkf. One Monday morning, you install a new application on a domain controller named DC1. When you restart DC1, you receive the following error message: "NTLDR is missing. Press any key to restart." You need to bring DC1 back online as quickly as possible. What should you do?（） Restart DC1 by using the installation CD-ROM. Reinstall the operating system and restore the contents of the latest full backup by using the Restore wizard. Restart DC1.。 Restart DC1 by using the installation CD-ROM. Restore the contents of Backup1.bkf by using the ASR disk. Restart DC1.。 Restart DC1 by using the bootable floppy disk. Copy the contents of Backup1.bkf from the backup media to C:\winnt. Restart DC1.。 Restart DC1 by using the bootable floppy disk. Copy the contents of the ASR disk to C:\. Restart DC1.。
Your network contains an Active Directory domain named contoso.com.
The network has a branch office site that contains a read-only domain controller （RODC） named RODC1. RODC1 runs Windows Server 2008 R2.
A user named User1 logs on to a computer in the branch office site. You discover that the password of User1 is not stored on RODC1.
You need to ensure that User1’s password is stored on RODC1.
What should you modify（）
