单项选择题
A.Create a new scope for the DNS servers.
B.Create a reservation for the DHCP serve.
C.Configure the 005 name servers scope option.
D.Configure an exclusion that contains the ip addresses of the four DNS servers.
单项选择题 Your network contains a DHCP server named DHCP1. You have a DHCP reservation for a computer named Computer1.You add a DNS server option to the reservation.You need to ensure that Computer1 immediately receives the new option.What should you do？（）
单项选择题 You have a windows server 2008 compute that has an IP address of 172.16.45.9/21. The server is configured to use ipv6 addressing. You need to test IPv6 communication to a server that has an ip address of 172.16.40.18/21, what should you do from a command prompt?（）
单项选择题 Your network contains two Web servers named Web1 and Web2. Web1 hosts the companys corporate Web site. Web2 is a test server that contains a copy of the Web site.Users connect to Web1 by using the URL http://www.contoso.com.A Web developer named User1 plans to test updates to the Web site on Web2.You need to ensure that User1 connects to Web2 by using the URL http://www.contoso.com. The solution must ensure that all other computers connect to Web1.What should you do？（）