品质标志和数量标志有什么区别？
文化生态保护区
Your company has a server named SRV1 that runs Windows Server 2008 R2. The default Print Services server role is installed on SRV1. The company wants to centralize printing on SRV1 for both UNIX and Windows users. You need to provide support to the UNIX users who print on SRV1. What are two possible ways to achieve this goal? （） Install the Internet Printing role service on SRV1.。 Install the Line Printer Daemon (LPD) Services role service on SRV1.。 Configure the printers on SRV1 to use Line Printer Remote printing.。 Install the File Services server role on SRV1 and activate the Services for Network File System role service.。
简述态度与行为的关系。
您需要创建可与COM一起互操作的类定义。您需要确保COM应用程序能够创建类的实例并且能够调用GetAddress方法。您应该使用哪个代码段？（） A。 B。 C。 D。
你有一台运行Windows XP SP2的计算机。你要升级操作系统到Windows 7。你必须在最短时限内达到这个目的，你该怎么做？ （）
