What services can the Developer use to meet these requirements?

A Developer is developing an application that manages financial transactions. To improve security, multi-factor authentication (MFA) will be required as part of the login protocol.

What services can the Developer use to meet these requirements?
A . Amazon DynamoDB to store MFA session data, and Amazon SNS to send MFA codes
B . Amazon Cognito with MFA
C . AWS Directory Service
D . AWS IAM with MFA enabled

Answer: D

Explanation:

Reference: https://aws.amazon.com/iam/details/mfa/