You are the network administrator for Alpine Ski House. The network consists of a single Active Directory forest that contains five domains. The functional level of the forest is Windows 2000. You have not configured any universal groups in the forest. One domain is a child domain named  child1.alpineskihouse.com  that contains two domain controllers and 50 client computers. The functional level of the domain is Windows Server 2003. The network includes an Active Directory site named Site1 that contains two domain controllers. Site1 represents a remote clinic, and the location changes every few months. All of the computers in child1.alpineskihouse.com are located in the remote clinic. The single WAN connection that connects the remote clinic to the main network is often saturated or unavailable. Site1 does not include any global catalog servers. You create several new user accounts on the domain controllers located in Site1. You need to ensure that users in the remote clinic can always quickly and successfully log on to the domain. 
What should you do?（）

You are the network administrator for Adventure Works. The network consists of a single Active Directory forest that contains a forest root domain named adventure­works.com and a child domain named child1.adventure­works.com. The functional level of the forest is Windows Server 2003.The company uses universal groups to prevent temporary employees from accessing confidential information on computers in the forest. The child1.adventure­works.com domain contains a Windows 2000 Server computer named Server1. Server1 runs an application that makes frequent LDAP queries to the global catalog. Server1 is located on a subnet associated with an Active Directory site named Site2 that has no global catalog servers. Site2 is connected to another site by a WAN connection. You need to enable the application on Server1 to run at high performance levels and to continue operating if a WAN connection fails. You also need to minimize traffic over the WAN connection. 
What should you do？（）