单项选择题
A.Install service pack 4 on all windows 2000 professional computers.
B.Upgrade the windows 2000 professional computers to windows XP SP2.
C.Run the IPv6.exe tool on the windows 2000 professional and windows XP computers.
D.Install active directory client extenticon. (DSClient.exe) on the windows 2000 professional and windows XP computers.
单项选择题 you have 10 standalone servers that run windows server 2008. You install WSUS on a server named server1. You need to configure all of the servers to receive updates from server1. What should you do?（）
单项选择题 Your network contains a Network Policy Server (NPS) named NPS1.You deploy a new NPS named NPS2.You need to ensure that NPS2 sends all authentication requests to NPS1.What should you modify on NPS2？（）
单项选择题 your company has a server named server1 that runs a windows server 2008 core installation, and the DNS server role. Server1 has one network interface named local area connection. The static IP address of the network interface is configured as 10.0.0.1. you need to create a DNS zone named local.contoso.com on server1. Which command should you use?（）