問題文
A risk practitioner reviews the maintenance arrangements for a model that scores insurance claims. Which arrangement most directly addresses the risk that the model's environment changes without anyone noticing?
選択肢
- A requirement that any change to the scoring model be approved by the change board.
- A quarterly retraining schedule that refreshes the model with recent data whether or not any change has been detected in the incoming claims.
- Continuous monitoring of the distribution of the input data against the distribution seen during validation with a defined threshold that raises an alert.
- An annual review of the model documentation by the second line risk function and confirming that the recorded assumptions and limitations are still described accurately in the approved documentation package for the system.