Your company infrastructure includes a Windows Server 2008 R2 file server and 1,000 Windows 7 Enterprise client computer

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Your company infrastructure includes a Windows Server 2008 R2 file server and 1,000 Windows 7 Enterprise client computers.
The company wants to require a secure connection between client computers and the file server.
You need to create and deploy a Group Policy object (GPO) that includes a rule for Windows Firewall with Advanced Security.
What should you do?

A. Create an Isolation rule and specify Request authentication for inbound and outbound connections.
B. Create a Tunnel rule and specify Gateway-to-client as the tunnel type.
C. Create a Server-to-server rule and specify the endpoints as Any IP address and the file server IP address.
D. Create an Authentication exemption rule and add the file server IP address to the Exempt Computers list.