Your network contains a server named Server1 that runs Windows Server 2008 R2. Server1 has the Remote Access Service role service installed. Server1 is configured as a VPN server. You need to ensure that you can configure Server1 as a Network Address Translation (NAT) server.
What should you do first on Server1?
A.
Enable IPv4 routing.
B.
Enable IPv6 routing.
C.
Add a new routing protocol.
D.
Add the Routing role service.