Question: What is the primary purpose of the Namf_Communication_AMFStatusChangeNotify service operation in the 5G System (5GS)?
Option 1: To notify subscribed NFs about changes in AMF status, such as when an AMF becomes unavailable.
Option 2: To update the GUAMI(s) associated with a specific Target AMF Name.
Option 3: To request the current status of all available AMFs in the network.
Option 4: To initiate a handover procedure between different AMFs.
Explanation: The Namf_Communication_AMFStatusChangeNotify service operation is used to report changes in AMF status, such as when an AMF becomes unavailable, to subscribed NFs. This allows the network to react accordingly and ensure continuity of service for users.