A.Configure and enable DFS-R on the App1 Web Server.
B.Create a host (AAAA) record for the App1 Web server in the DNS zone for the forest root domain.
C.Create a zone named GlobalNames on a DNS server. Replicate the GloballNames zone to all domain controllers in the forest. Create a host (A) record for the App1 Web server in the zone.
D.Create a zone named LegacyWNS on a DNS server. Replicate the LegacyWNS zone to all domain controllers in the forest. Create a host (A) record for the App1 Web server in the zone.