单项选择题 Your company has a main office and one branch office. Your network consists of an Active Directory domain. You have a remote access server in the main office named Server1. You have a remote access server in Server2 has a demand-dial interface that connects to Server1.  The demand-dial interface connects by using a domain account named Ras1. You need to prevent Server2 from establishing new demand-dial connections to the main office between 18：00 and 08：00.  What should you do？（）

单项选择题 Your company consists of a single Active Directory domain that is configured in Windows 2000 native mode. All servers run Windows Server 2003 Service Pack 2 （SP2）.  You deploy a Routing and Remote Access server to provide VPN access to the network.You need to ensure that only members of a group named Sales can access the network through the VPN. The solution must minimize the administrative effort required to manage remote access.  What should you do？（）

多项选择题 Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）. You have a VPN server named Server1. You have an Internet Authentication Service （IAS） server named Server2. You need to ensure that all VPN connections to Server1 are authenticated by Server2.  Which two actions should you perform？（）