フリー問題

問題文

A service must raise the authentication requirement only when the circumstances of a request look unusual, and must not add friction for ordinary requests. Which authentication approach fits that requirement?

選択肢

1. The service should apply certificate bound device authentication at that point.
2. The service should apply single factor password authentication at that point.
3. The service should apply risk responsive elevation authentication at that point.
4. The service should apply uniformly mandatory multifactor authentication at that point.