Question: What is the purpose of the Nnssaaf_NSSAA_RevocationNotification service operation in the 5G System security architecture?
Option 1: To notify the NF consumer to trigger a Network Slice specific revocation procedure for a given UE and S-NSSAI.
Option 2: To request the AMF to perform a security check on a UE before granting access to a Network Slice.
Option 3: To inform the NSSAAF about changes in the UE's subscription data.
Option 4: To initiate a new Network Slice creation procedure.
Explanation: The Nnssaaf_NSSAA_RevocationNotification service operation is used by the NSSAAF to notify the NF consumer (e.g., AMF) to trigger a revocation procedure for a specific UE and S-NSSAI, which is essential for maintaining security and access control in the 5G System.