Question: What triggers the one-time onboarding process for enrolling an API invoker as a recognized user of the Common API Framework (CAPIF)?
Option 1: Periodic Security Audits
Option 2: API Usage Thresholds
Option 3: Either CAPIF-1, CAPIF-1e invocation by the API invoker, or provisioning
Option 4: Network Operator Manual Configuration
Explanation: The one-time onboarding process can be initiated by the API invoker through interfaces CAPIF-1 or CAPIF-1e, or alternatively through a provisioning process, accommodating different operational scenarios and administrative preferences within telecom networks.