フリー問題

問題文

U+ Bank hands its offer emails to an outside firm that designs and sends them. Weeks later the bank finds that Interaction History has no rows for those emails and the adaptive models have not moved at all. Which pair names what is missing and what the bank has to build?

選択肢

1. Nothing arrives automatically without the alert feedback, which the bank adds as the normal integration here.
2. Nothing arrives automatically without the alert feedback, which the bank adds as the extra integration here.
3. Nothing arrives automatically without the response feedback, which the bank adds as the normal integration here.
4. Nothing arrives automatically without the response feedback, which the bank adds as the extra integration here.