单项选择题 You have a server that runs Windows Server 2003 Service Pack 2 （SP2）. The server is configured as a network address translation （NAT） router. The server has two network adapters and provides Internet access for the network. You need to prevent traffic on port 21 from being sent to the Internet. All other outbound traffic must be allowed.  What should you do？（）

单项选择题 You have a server that runs Windows Server 2003 Service Pack 2 （SP2）.  You attempt to download a device driver. You receive an error message indicating that the Web site is blocked and scripting is disabled. You need to ensure that you can download the device driver while ensuring that access to scripts on other Web sites are restricted.  What should you do？（）

单项选择题 Your network consists of a single Active Directory domain and a single subnet. The network is not connected to the Internet. All servers run Windows Server 2003 Service Pack 2 （SP2）. All client computers run Windows XP Professional Service Pack 3 （SP3）.You have a DHCP server named Server1. All client computers receive their IP configurations from Server1.You implement a new server named Server2. You connect Server2 to the internal network and the Internet. You then configure Server2 as a network address translation （NAT） router. From a client computer， you discover that you cannot access any Internet servers. From Server2， you verify that you can access Internet servers and internal servers. You need to ensure that all internal computers can access Internet servers.  What should you do？（）