单项选择题
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多项选择题 You are defining a class named MyClass that contains several child objects. MyClass contains a method named ProcessChildren that performs actions on the child objects.MyClass objects will be serializable.You need to ensure that the ProcessChildren method is executed after the MyClass object and all its child objects are reconstructed. Which two actions should you perform?()
多项选择题 You are developing an application that receives events asynchronously. You create a WqlEventQuery instance to specify the events and event conditions to which the application must respond. You also create a ManagementEventWatcher instance to subscribe to events matching the query.You need to identify the other actions you must perform before the application can receive events asynchronously. Which two actions should you perform?()
单项选择题 您正在使用Microsoft Visual Studio 2005 IDE检查一个返回string的方法的输出信息,您指定这个方法的输出给一个命名为fName的变量,您需要写一个代码片段打印下面这一行信息"Test FaileD."如果fName的值不为”JohnJohn””,您应该确定这个应该程序的代码持续的执行,您应该使用哪一个代码片段()