To enable R1 to reach the server at 172.16.0.1, the correct VRF configuration must be applied to ensure that routing instances are separated and that R1 has the necessary routes to reach the server in a different VRF domain. Option C shows the configuration where interface Ethernet0/0 is associated with VRF 'hotel' and OSPF is configured correctly with network statements under router ospf 44 vrf hotel, which includes the server's IP address range. References := Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR) source book or official Cisco documentation related to VRF configuration and OSPF in a service provider environment.