在下面所给的属性中，哪个属性适宜作为主关键字？（） 基本工资。 职称。 姓名。 身份证号码。
某人购买商品房，有A、B两种付款方式可供选择。A种付款方式：每年年初支付购房款95000元，连续支付8年。B种付款方式：年初首付房款120000元，从第一年开始在每年年末支付房款105000元，连续支付6年。复利计息，年利率为8%。要求计算A、B两种付款方式的现值
Your network consists of an Active Directory forest named contoso.com. Contoso.com has an Exchange Server 2010 organization. A subsidiary company has a separate Active Directory forest named fabrikam.com. Fabrikam.com has an Exchange Server 2007 organization. You plan to consolidate both organizations. Your companys consolidation strategy includes the following requirements：.Support costs must be minimized .Mailbox access must be easily shared between users .All e-mail messages must be hosted on Exchange Server 2010 mailbox servers You need to recommend a solution to meet the requirements of the consolidation strategy. What should you recommend？（） Move all recipients from fabrikam.com to contoso.com.。 Transition all servers in fabrikam.com to Exchange Server 2010.。 In contoso.com， create a resource mailbox for each recipient in fabrikam.com.。 Move all computer accounts for the Exchange servers in fabrikam.com to contoso.com. On each server， run Setup.com /M：RecoverServer.。
简述正式组织与非正式组织的特征？
Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）. All client computers run Windows XP Professional Service Pack 3 （SP3）.Computer accounts for the client computers are located in three organizational units （OUs） named OU1， OU2， and OU3. You install Windows Server Update Services （WSUS） 3.0 on a member server named Server1. On Server1， you create three WSUS computer groups named OU1， OU2， and OU3. You need to ensure that each client computer is assigned automatically to the WSUS computer group that corresponds to the OU in which the computer account resides. Which two actions should you perform？（） From the Update Services console， configure the Computers options.。 From the Update Services console， configure the Automatic Approvals options.。 From the Default Domain Policy， configure the Windows Update settings.。 Create a new Group Policy object （GPO） for each OU. Configure the Windows Update settings in each GPO.。
您有两台运行 Windows 7的计算机分别名为 Computer1 和 Computer2。网络按照相关材料中所示进行配置。（单击“相关材料”按钮。）您需要确保两台计算机均可以连接 Internet。您应该怎么做？（）
