Question: What is the primary purpose of the Nnssf_NSSAIAvailability_Delete service operation in the 5G System (5GS)?
Option 1: To update the NSSAI availability information stored for a NF service consumer.
Option 2: To retrieve the NSSAI availability information stored for a NF service consumer.
Option 3: To create new NSSAI availability information for a NF service consumer.
Option 4: To delete the NSSAI availability information stored for a NF service consumer.
Explanation: The Nnssf_NSSAIAvailability_Delete service operation is used to delete the NSSAI availability information stored for a NF service consumer, such as AMF, in the NSSF. This operation allows the NF service consumer to remove outdated or unnecessary information from the NSSF.