Your network consists of a single Active Directory domain named contoso.local. All servers run Windows Server 2003 Service Pack 2 （SP2）. All internal computers are part of the domain.
You deploy a stand-alone Web server in a perimeter network. Users on the Internet access the server by using the URL http：//www.contoso.com.You need to ensure that internal users can connect to the Web server by using the URL http：//ContosoWeb. 
What should you add？（）

Your network consists of a single Active Directory domain named contoso.com. All computers are members of the domain. All network servers run Windows Server 2003 Service Pack 2 （SP2）. 
Your company opens a branch office. In the branch office， you deploy a DNS server that hosts a zone named west.contoso.com. You enable dynamic updates on the west.contoso.com zone. You need to ensure that all computers in the branch office register resource records in the west.contoso.com zone. 
What should you do？（）