单项选择题 You are the network administrator for Company.  You configure an L2TP virtual private network (VPN) connection on your Windows 2000 Professional computer to remotely access Company’s Windows 2000 Routing and Remote Access server. The server is configured to accept a limited number of both PPTP and L2TP connections. You configure the VPN connection to use MS-CHAP v2 only and to require encryption. You also configure TCP/IP to obtain an IP address automatically. Many times when you try to connect, you are unable to because all of the ports are in use. Other times you are able to connect successfully.   You want to increase your chances of being able to connect to the server while ensuring that the most secure connection type available is used.   What should you do? （）

单项选择题 You are the administrator of the Company.com Windows 2000 domain. Users in the domain run Windows 2000 Professional on their desktop computers.  One hundred users whose user and computer accounts are in the Sales organizational unit (OU), report that their mouse is not working correctly. One of the computers having the mouse problem is named Computer1. You log on to Computer1 by using the domain Administrator account. You use Device Manager to display the current information for the mouse driver.  You discover that Computer1 is using an older version of the mouse driver. You have an upgrade for the driver provided by the manufacturer of the mouse. Another administrator installs the upgrade for the driver by using Device Manager and restarts the computer.  You test the mouse and it is still not functioning correctly. You view Device Manager and notice that the display of the current driver indicates that the previous driver is still installed.  You want to be able to install the upgrade for the mouse driver on the affected computers by using the least amount of administrative effort. What should you do?（）

单项选择题 You are the network administrator for Company.  Your network consists of one Windows NT Server 4.0 domain and 35 Windows 2000 Professional computers. The network consists of five interconnected TCP/IP subnets. All of the computers use TCP/IP as the only network protocol. You are adding 15 Windows 2000 Professional computers  to the network.   You configure each of the new computers to use DHCP. The computers can communicate with each other but are unable to communicate outside their own subnet.    You run the ipconfig command to examine the UP address on one of the new computers. The IP address is 169.254.101.72   You want to enable the Windows 2000 Professional computers to communicate outside their own subnet.   What should you do?（）