Question: In UTRAN's Iur interface, what is a mandatory inclusion for each cell list type (PTM, PTP, Not Provided) within the MBMS Channel Type Information IE?
Option 1: Only C-ID IE
Option 2: Only Affected UE Information for MBMS IE
Option 3: At least one C-ID IE and Affected UE Information for MBMS IE
Option 4: Either C-ID IE or Affected UE Information for MBMS IE
Explanation: The MBMS Channel Type Information IE must include both a Cell Identifier (C-ID) for cell identification and Affected UE Information for MBMS to properly manage multicast/broadcast services across different cell types. This ensures the network can accurately direct the service to intended UEs in each relevant cell, reflecting the dual requirement specified for RNSAP signalling.