Question: What information may be provided by the IAB-donor-CU to the AMF in addition to User Location Information when a UE is served by a cell of an authorized MBSR?
Option 1: Cell ID and TAC of the serving cell
Option 2: IMSI of the UE
Option 3: APN of the PDN connection
Option 4: ULI of the IAB-UE as 'Additional ULI'
Explanation: The IAB-donor-CU may provide 'Additional ULI' in addition to User Location Information, which is the ULI of the IAB-UE. This information can be used by the AMF to determine UE location and manage UE location related functions.