[多选]

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.) （）。

经营第二类医疗器械的企业应当办理（）方可经营。 《医疗器械经营许可证》。 《产品备案凭证》。 《医疗器械经营备案凭证》。 无需办证。 You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance.You must make sure that all SQL Server instances are consistently configured for naming conventions, security settings, force index creation and avoidance of data fragmentation. So what action should you perform to achieve this goal?（）   You should use the Database Engine Tuning Advisor. 。 In Microsoft SQL Server Management Studio, you should create a maintenance plan 。 You should use the SQL Server Configuration Manager 。 In Microsoft SQL Server Management Studio, you should create a policy。 给婴儿进行抚触，适宜时间为（）。 50～60分钟。 40～50分钟。 30～40分钟。 10～15分钟。 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。 坚持党的基本路线不动摇，关键是坚持（）不动摇。 四项基本原则。 改革开放。 以经济建设为中心。 以文化建设为中心。

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.) （）。