Question $1(2$ points$)$

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Hudson works for an organization that has just started deploying applications into the cloud. To ensure that the administrator accounts are as$-$secure as possible, he wants to take advantage of one of the features of the cloud service provider that requires the user to provide a constantly rotating six$-$digit code from a mobile app in addition to the username and password for the administrator. Which of the following is he wanting to implement?

A$)$ SSO

B$)$ MFA

C$)$ federation

D$)$ MAC