[单选]

Your company has a main office and 10 branch offices. Each branch office has an Active Directory site  that contains one domain controller. Only domain controllers in the main office are configured as Global  Catalog servers.  
You need to deactivate the Universal Group Membership Caching option on the domain controllers in the  branch offices.   
At which level should you deactivate the Universal Group Membership Caching option（）

You develop a Windows Communication Foundation (WCF) service to generate reports. Client applications call the service to initiate report generation but do not wait for the reports to be generated. The service does not provide any status to the client applications. The service class is defined as follows. (Line numbers are included for reference only.) 01 [ServiceContract] 02 public class ReportGeneratorService 03 { 04 ... 05 private int GenerateReports(int clientID) 06 { 07 ... 08 return 0; 09 } 10 } You need to ensure that client applications can initiate reports without waiting for status. Which two actions should you perform (Each correct answer presents part of the solution. Choose two.) （）。 Insert the following code at line 04. [OperationContract(IsOneWay=true)]。 Insert the following code at line 04. [OperationContract(AsyncPattern=false)]。 At line 05, change the GenerateReports method from private to public.。 Remove line 08. At line 05, change the return type of GenerateReports method to void.。 初凝时间的第一次测定为30min，临近初凝时间时每隔（）min测定一次。临近终凝时间时每隔（）min测定一次。 15，15。 5，10。 5，15。 15，5。 Which of the following is not a typical maintenance task within a network maintenance model？（） Providing technical customer support。 Changing configurations。 Updating software。 Monitoring network performance。 Replacing hardware。 Scheduling backu。 人力资本 点击后可插入网页的多媒体对象包括（） Flash动画。 Flash按钮。 Flash文本。 插件。

Your company has a main office and 10 branch offices. Each branch office has an Active Directory site  that contains one domain controller. Only domain controllers in the main office are configured as Global  Catalog servers.  
You need to deactivate the Universal Group Membership Caching option on the domain controllers in the  branch offices.   
At which level should you deactivate the Universal Group Membership Caching option（）