Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）. You have a DNS server named Server1 that hosts a primary zone for the domain. You have a DNS server named Server 2 that hosts a secondary zone for the domain. 
You discover that the resource records on Server2 are different from the resource records on Server1. You need to ensure that the resource records are the same on Server1 and Server2. 
What should you do？（）

You have a DNS server named Server1 that runs Windows Server 2003 Service Pack 2 （SP2）. You have two Web servers named Server2 and Server3. 
The Web servers host an internal Web site that will be accessed by the URL http：//www.contoso.com. You need to ensure that requests for www.contoso.com are distributed between Server2 and Server3. 
What should you do？（）