Option A is Incorrect: Windows Hello helps the user to use their biometric and PIN credentials to be inserted into your PC/Laptop which will be used to sign in to the Azure console..
Option B is Incorrect: After installing Microsoft Authenticator App on your phone, users can sign in to any platform or browser by getting a notification on their phone, matching a number displayed on the screen to the one on their phone.
Option C is incorrect: FIDO2 is the latest standard from the FIDO (Fast IDentity Online) Alliance that incorporates the web authentication (WebAuthn) standard. It is a physical component that needs to be attached to your device.
Option D is Correct: Passwordless Authentication does not support cryptographic keys. A cryptographic key is a string of data that is used to lock or unlock cryptographic functions, including authentication, authorization, and encryption.
References:
https://docs.microsoft.com/en-us/learn/modules/describe-azure-identity-access-security/3- authentication-methods
https://docs.microsoft.com/en-us/azure/active-directory/authentication/concept-authentication- passwordless