单项选择题

our company has four DNS servers that run windows 2008. Each server has a static ip address. You need to prevent dhcp from assigning the addresses of the DNS servers to DHCP clients. What should you do?（）

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.

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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？（）

A. Run ipconfig.exe /renew.
B. Run ipconfig.exe /registerdns.
C. On DHCP1, recreate the reservation.
D. On DHCP1, delete the active lease for the reservation.

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?（）

A.Type ping 172.16.45.9::::.
B.Type ping ::9.45.16.172.
C.Type ping followed by the link-local address of the server.
D.Type ping followed by the site-local address of the server.

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？（）

A. From User1s computer, create a record in the Hosts file.
B. From User1s computer, create a record in the Lmhosts file.
C. From a DNS server, create a new Host (A) resource record.
D. From a DNS server, create a new Alias (CNAME) resource record.