多项选择题 Your network consists of a single Active Directory domain named contoso.com. All network servers run Windows Server 2003 Service Pack 2 (SP2). You have a DNS zone named contoso.com. The zone is configured to support dynamic updates. All servers in the company are registered in the contoso.com zone. You change the IP address of a server named Server1. From a server named Server2, you attempt to ping Server1 by host name, but the request fails. You successfully ping the new IP address of Server1. You need to ensure that Server2 can connect to Server1 by using the Server1 host name. Which two actions should you perform?（）

单项选择题 YournetworkconsistsofasingleActiveDirectorydomain.AllserversrunWindowsServer2003ServicePack2(SP2).YouhavetwoserversnamedServer1andServer2.BothservershaveWindowsServerUpdateServices(WSUS)3.0installed.YouneedtoconfigureWSUSsothatServer2usesServer1astheupstreamserver.WhatshouldyoudoonServer2?（）

单项选择题 Your network contains a Web server named Server1 that runs Windows Server 2003 and Internet Information Server (IIS). Server1 has a server certificate from an Enterprise Certificate Authority (CA) installed. External users report that when they try to access the Web site from outside the corporate network by using a Web browser, they receive the following warning message: There is a problem with this Web sites security certificate. The security certificate presented by this Web site was not issued by a trusted certificate authority. You find that users onthe corporate network do not receive this error. You need to ensure that external users do not receive the warning message when connecting to Server1.   What should you do?（）