Does this meet the Goal?

You have an Azure Active Directory (Azure AD) tenant named contoso.com that is synced to an Active Directory domain.

The tenant contains the users shown in the following table.

The users have the attribute shown in the following table.

You need to ensure that you can enable Azure Multi-Factor Authentication (MFA) for all four users.

Solution: You add a mobile phone number for User2 and User4.

Does this meet the Goal?
A . Yes
B . No

Answer: B

Explanation:

User3 requires a user account in Azure AD.

Note: Your Azure AD password is considered an authentication method. It is the one method that cannot be disabled.

References: https://docs.microsoft.com/en-us/azure/active-directory/authentication/concept-authentication-methods