You are configuring a Cisco Unified Communication Manager IM & Presence environment to support XMPP federation. Which set of protocol and port must you ensure that the firewall opens up to allow for this support?
A. udp/5289
B. tcp/8443
C. tcp/5269
D. udp/8443
E. udp/5222
F. tcp/5222
C is correct
5222 is for client (Jabber) connections
5269 is for S2S (server to server) connections
Correct