Cer-tech .com has an Active Directory domain installed on a server that runs Windows Server 2008.Another server named S3 also runs Windows Server 2008. All client machines have Windows Vista. Cer-tech .com has instructed you to install the Terminal Services role， Terminal Services Gateway role andTerminal Services Web Access role service on S3. To protect the network， you want to ensure that all client machines have firewall， antivirus software and anti-spyware software installed. Which actions shouldyou perform to achieve this task？（）

• A、Configure Windows Authorization Access domain local security group and add Terminal Services clientcomputers
• B、Configure Terminal Services client computers to access the Terminal Services health policy.
• C、Set the Request clients to sent a health option statement in the Terminal Services client access policy
• D、Install and configure Network Access Protection （NAP） on the server in the domain