单项选择题 You want to upgrade 400 computers from Windows 95 to Windows 2000 Professional. Most of the computers in your company use the same hardware.  However， several different peripheral devices are used throughout the company. You want to verify that the hardware in use is compatible to Windows 2000 Professional. You want to accomplish this with least amount of administrative effort.  What should you do？（）

多项选择题 You are the administrator of your company’s network. The network is configures as shown in the exhibit.  You want to install Windows 2000 Professional on 10 non-PXE-complaint computers on the Marketing segment of your network. The 10 computers do not have operating systems installed.   You attempt to load the computers by using an existing RIS image that is on the RIS server. You find that the 10 computers cannot connect to the RIS server.   You verify that existing client computers on the network can connect to network servers， including the RIS server. You then check the network servers and find that the Windows NT Server 4.0 computer running WINS has stopped responding due to a hard disk failure. You want to enable the computers to connect to the RIS server.   What should you do？（）

问答题 You want to install Windows 2000 Professional on 20 new PXE compliant computers, which do not have operating systems installed. You create a RIS image and load the image onto the RIS server and then start the new computers. You find that the new computers cannot connect to the RIS server. You verify that existing client computers on the network can connect to network servers.    What should you do?