單項(xiàng)選擇題

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"）]

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單項(xiàng)選擇題

您目前正在審查由其他開(kāi)發(fā)人員創(chuàng)建的應(yīng)用程序的過(guò)程中。您正在檢查的應(yīng)用程序包括聲明一個(gè)名為 EmployeeList，其中存儲(chǔ)雇員對(duì)象的集合。如下所示：公共類 EmployeeList： Enumerator, IEnumerable{/ / 類實(shí)現(xiàn)}您需要的能力來(lái)循環(huán)訪問(wèn) EmployeeList，最小的開(kāi)發(fā)工作。你應(yīng)該做什么？（）

A.利用switch語(yǔ)句
B.利用dowhile語(yǔ)句
C.利用foreach語(yǔ)句
D.使用if語(yǔ)句

多項(xiàng)選擇題

You work as an application developer at Cer-Tech.com.You are in the process of creating an application for Cert-Tech.com’s Human Resources department that tracks employee benefits You have to store current employee data without recompiling the application. You elect to store this employee data as a custom section in the application configuration file. The relevant portion of the application configuration file is shown in the following exhibit： What should you do？（）

A. Create a custom section handler class that inherits the ConfigurationSection interface
B. Add a section element to the EmployeeSection element of the application configuration file
C. Create a custom section handler class that implements the IConfigurationSectionHandler interface.
D. Add an EmployeeSection element to the configSections element of the application confguration file
E. Create a custom section handler class that implements the IApplicationSettingsProvider interface
F. Add a section element to the configSections element of the application configuration file

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