你可能感興趣的試題

You are developing an application that uses role-based security. The prinicipal policy of the application domain is configured during startup with the following code：AppDomain.CurrentDomain.SetPrincipalPolicy（PrincipalPolicy.WindowsPrincipal）； You need to restrict access to one of the methods in your application so that only members of the local Administrators group can call the method. Which attribute should you place on the method？（）

A. [PrincipalPermission （SecurityAction.Demand， Name = @"BUILTIN\Administrators"）]
B. [PrincipalPermission （SecurityAction.Demand， Role = @"BUILTIN\Administrators"）]
C. [PrincipalPermission （SecurityAction.Assert， Name = @"BUILTIN\Administrators"）]
D. [PrincipalPermission （SecurityAction.Assert， Role = @"BUILTIN\Administrators"）]

單項選擇題

您目前正在審查由其他開發(fā)人員創(chuàng)建的應用程序的過程中。您正在檢查的應用程序包括聲明一個名為 EmployeeList，其中存儲雇員對象的集合。如下所示：公共類 EmployeeList： Enumerator, IEnumerable{/ / 類實現(xiàn)}您需要的能力來循環(huán)訪問 EmployeeList，最小的開發(fā)工作。你應該做什么？（）

A.利用switch語句
B.利用dowhile語句
C.利用foreach語句
D.使用if語句