What is the relationship between an IBM Sametime Gateway and external Sametime Communities?
A. A Sametime Gateway can connect to only one Sametime Community.
B. A Sametime Community can connect to multiple Sametime Gateways.
C. A Sametime Gateway can connect to multiple Sametime Communities.
D. A Sametime Community can optionally connect directly to other external Sametime
Communities without using a Sametime Gateway.