Question: What is the primary purpose of the Nudr_DM_Unsubscribe service operation in the 5G System (5GS)?
Option 1: To subscribe to notifications for changes in the UDR.
Option 2: To retrieve data from the UDR.
Option 3: To update existing data in the UDR.
Option 4: To unsubscribe from notifications for changes in the UDR.
Explanation: The Nudr_DM_Unsubscribe service operation is used by an NF service consumer to perform un-subscription to notification of data modified in the UDR, indicating that it is primarily used to stop receiving notifications about changes or additions to existing data.