All client computers in your network run Windows 7 with default firewall settings.   You have a server-based application that requires an agent to be installed on all client computers.   You need to use Group Policy to allow the application to initiate installation of the agent on all client computers.   What should you do？（）

• A、Create inbound port rules.
• B、Create inbound program rules.
• C、Create connection security rules.
• D、Create Windows service hardening rules.