[多选]
You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.
The application uses the background worker process (BWP).
When the user clicks a button,
the background worker executes a method named DoCalculations asynchronously.
You need to implement a progress bar on the user interface (UI) that informs the user of the progress of DoCalculations.
Which two actions should you perform?（）

A . Modify the Value property of the progress bar in DoCalculations.
B . Modify the Value property of the progress bar in the ProgressChanged event handler of the background worker.
C . Modify the Value property of the progress bar in the RunWorkerCompleted event handler of the background worker.
D . Call the ReportProgress method of the background worker in DoCalculations.
E . Call the ReportProgress method of the background worker in the DoWork event handler of the background worker.

You have a server that runs Windows Server 2003 Service Pack 2 （SP2）. You create a user account named Admin1. You need to allow Admin1 to restart the server and to manage shared folders. You must minimize the rights assigned to Admin1.Which group should you add Admin1 to？（） Power Users。 Administrators。 HelpServicesGroup。 Remote Desktop User。在煤气区域巡视、检查净化设备时应（）人以上。 1。 2。 3。 4。 You have a server that runs Windows Server 2003 Service Pack 2 (SP2). You have a third-party hardware device installed. The device uses a third-party driver. The device works properly. The driver’s hardware manufacturer provides a new device driver. You update the device driver, but the device fails to work. You need to ensure that you can use the new hardware device. What should you do? （） Connect to Windows Update and install all driver updates.。 From the properties of the device, select Roll Back Driver.。 From Device Manager, uninstall the device and then restart the server.。 From Device Manager, disable the device and then click Scan for hardware changes.。你是TestKing网站的管理员，你家里的电脑使用ADSL连接到因特网，该电脑使用从因特网服务提供商那里得到的静态的IP地址。你在ADSL连接上允许了因特网连接防火墙，你在你公司的电脑上使用Ping命令试着连接家里的电脑，然而，你收到下述错误信息“请求时间超时”。你检查了一下家里电脑因特网连接防火墙，日志文件的一部分如下所示：你要确保你能从你公司的电脑上ping到家里的电脑，你还要避免因特网的用户匿名登陆你家里的电脑，你要怎么设置你家里的电脑呢？（）在ADSL的连接的高级选项表中去除因特网连接防火墙复选框。在因特网连接防火墙中的安全设置中去除记录丢弃的包选项。在因特网连接防火墙中的ICMP表中选中允许外来的响应复选框。在因特网连接防火墙中的ICMP表中选中允许外来的路由器请求复选框。在因特网连接防火墙中的ICMP表中选中允许外出到达目的地复选框。简述日本企业文化的特征？

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.
The application uses the background worker process (BWP).
When the user clicks a button,
the background worker executes a method named DoCalculations asynchronously.
You need to implement a progress bar on the user interface (UI) that informs the user of the progress of DoCalculations.
Which two actions should you perform?（）

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