单项选择题 You are the administrator of the Corp arborshoes.com domain. Users in the domain run Windows 2000 Professional on their desktop computers.   A user named Katrin in the Sales organizational unit (OU) reports that her mouse is not working correctly. You log on to the domain from Katrin’s computer by using the domain Administrator account. You use Device Manager to display the current information for the mouse driver.   You discover that Katrin’s computer is using an older version of the mouse driver. You have current drivers furnished by the manufacturer of the mouse. You install the current driver by using Device manager and restart the computer.   You test the mouse and it is still not functioning correctly. You view Device Manger and notice that the display of the current driver indicates that the previous driver is still uninstalled.   You want to be able to install the correct mouse driver. What should you do? （）

单项选择题 Your Company upgrades its network to 100 Mbps. You remove the old network adapter and install a new 10/100 Mbps network adapter into a Windows 2000 Professional computer. You configure the TCP/IP protocol settings to be the same as they were for the previously installed network adapter.   When you restart eh computer, however, you cannot access the network. You try to ping your network adapter’s TCP/IP address locally. You receive the following error message. “Request timed out.” Next, you try to ping 127.0.0.1 and receive the same error message.   What must you do?（）

单项选择题 You purchase a USB board, ISDN terminal adapter for your Windows 2000 Professional portable computer. You plug the device in to the USB port. Plug and Play fails to detect the new device. You test the device on a Windows 2000 Professional desktop computer. You find that plug and play correctly detects the device. You want to resolve the problem so that you can use ISDN terminal adapter on your portable computer.   What should you do?（）