A.Configure and enable DFS Replication 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 GlobalNames 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 LegacyWINS on a DNS server. Replicate the LegacyWINS zone to all domain controllers in the forest. Create a host (A) record for the App1 Web server in the zone.