单项选择题 You are the administrator of Companys network which is configured as shown in the exhibit.  One of the users reports that he is having problems with accessing resources on the Internet from his Windows 2000 Professional computer. The user is using a computer named Computer16. You start the troubleshooting process by trying if a computer named Computer24 can connect to the Internet, with successful results. Next you log on to Computer16 and find that you do not have any problems with accessing the local Windows 2000 Server computer, but you cannot connect to the Internet. You run the ipconfig /all command on Computer16. The relevant results are shown in the following table. You want to be able to connect to the Internet from Computer16.  What should you do on Computer16? （）

单项选择题 You are the network administrator for ExamSheet.  Computers on your network run Windows 2000 Professional, Windows NT Workstation 4.0 and Windows 98. Ten Windows 2000 Professional computers are located in the research department. These computers contain highly confidential information. You want the 10 Windows 2000 Professional computers to be able to communicate only with other Windows 2000 computers.  What should you do?（）

单项选择题 A user named Marie uses a Windows 2000 Professional computer named Client1 to process payroll records. Marie reports that she can no longer run her financial applications. You determine that file permissions have been applied incorrectly to her computer. You want to configure Client1 to have the same security configuration and file permission settings that were applied when the computer was installed.  What should you do?（）