MCTS单项选择题每日一练(2019.04.23)

单项选择题
You are creating a custom control. The UI of the control must contain several text boxes and two buttons. The control must be available in the global assembly cache for reuse across multiple Web applications. You need to achieve this functionality by using the minimum amount of code.What should you do? （）
A. Create a control that derives from System.Web.UI.Control.
B. Create a control that derives from System.Web.UI.WebControls.CompositeControl.
C. Create a control that derives from System.Web.UI.WebControls.WebControl.
D. Create a control that derives from System.Web.UI.UserControl.
单项选择题
您有一台运行 Windows 7 的计算机。多个用户登录到该计算机。该计算机有五种可移动设备。您需要确保用户只能访问之前已安装在计算机上的可移动设备。您应该在本地组策略中修改什么？（）
A.启用“防止重定向 USB 设备”设置
B.启用“防止安装可移动设备”设置
C.禁用 WPD 设备：拒绝读取访问权限设置
D.禁用“允许管理员覆盖设备安装限制”策略设置
单项选择题
You are developing a Windows Communication Foundation (WCF) service.One of the service operations contains the following code.private static int counter = 0;[OperationContract]public void IncrementCount(){ counter++;}You need to set a service behavior that prevents two or more threads from incrementing the counter variable at the same time.Which code segment should you use to set the service behavior?（）
A. [ServiceBehavior(InstanceContextMode = InstanceContextMode.Single, ConcurrencyMode = ConcurrencyMode.Single)]
B. [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession, ConcurrencyMode = ConcurrencyMode.Single)]
C. [ServiceBehavior(InstanceContextMode = InstanceContextMode.Single, ConcurrencyMode = ConcurrencyMode.Multiple)]
D. [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerCall, ConcurrencyMode = ConcurrencyMode.Reentrant)]
单项选择题
You have a Windows Server 2008 R2 Hyper-V server. You need to ensure that you are prompted to specify a custom snapshot name when you create a snapshot.What should you use to create the snapshot？（）
A.Hyper-V Manager
B.Windows Server Backup
C.the Virtual Machine Connection window
D.the Backup command-line tool （also known as wbadmin.exe）
单项选择题
您公司使用 Windows 部署服务（WDS）来部署 Windows 7。您有一个自定义的 Windows 7 映像。您需要确保可以通过使用 WDS 部署该映像。您应该怎么做？（）
A.从“Windows 部署服务”管理单元中，添加一个新安装映像
B.从“Windows 部署服务”管理单元中，添加一个新启动映像
C.运行 Oscdimg.exe 并指定 boot 参数。将该映像复制到 C：\remoteinstall\boot
D.运行 Imagex.exe 并指定 /append 参数。将该映像复制到 C：\remoteinstall\images