单项选择题 You have two stand-alone servers that run Windows Server 2003 Service Pack 2 （SP2）. You assign the Secure Server （Require security） IPSec policy to both servers. From Server1， you notice that you cannot access resources on Server2. You need to ensure that you can access resources on Server2. All communications between Server1 and Server2 must be encrypted.  What should you do？（）

单项选择题 Your network contains a Terminal Services server named Server1 that runs Windows Server 2003 Service Pack 2 （SP2）.  Server1 has a server certificate from a trusted authority installed. All Terminal Services clients have the RDP client version 5.2 installed. You need to ensure that all Terminal Services connections to Server1 use Transport Layer Security.  What should you do？（）

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 site’s security certificate. The security certificate presented by this Web site was not issued by a trusted certificate authority.”  You find that users on the 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？（）