フリー問題

問題文

A firm must keep the exact training set used for a model that is still in service, and must also delete personal records once their retention period expires. Which arrangement satisfies both obligations?

選択肢

1. The arrangement that satisfies both is unrestricted duplication of the training set.
2. The arrangement that satisfies both is complete deletion of the training set.
3. The arrangement that satisfies both is pseudonymized retention of the training set.
4. The arrangement that satisfies both is indefinite storage of the training set.