When planning for secure communications between a partner and the Point of Contact, at what level is the SSL connection defined?()
A、each individual partner within a single federation
B、all federations configured for an instance of IBM Tivoli Federated Identity Manager (ITFIM)
C、each individual federation within an instance of ITFIM
D、all federation functionality fronted by a single instance of IBM Tivoli Access Manager for e-business WebSEAL