Question: What does the absence of MBMS-User-Data-Mode-Indication AVP indicate in terms of mode of operation?
Option 1: Multicast and Unicast
Option 2: Only Multicast
Option 3: Unicast
Option 4: No specific mode
Explanation: The absence of MBMS-User-Data-Mode-Indication AVP indicates unicast mode of operation, meaning that the BM-SC will send user plane data with IP multicast packets encapsulated over UDP by IP unicast header.