Two separate companies are in the process of integrating their authentication infrastructure into a unified single sign-

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Two separate companies are in the process of integrating their authentication infrastructure into a unified single sign-on system. Currently, both companies use an
AD backend and two factor authentication using TOTP. The system administrators have configured a trust relationship between the authentication backend to ensure proper process flow. How should the employees request access to shared resources before the authentication integration is complete?

A. They should logon to the system using the username concatenated with the 6-digit code and their original password.
B. They should logon to the system using the newly assigned global username: first.lastname#### where #### is the second factor code.
C. They should use the username format: LAN\first.lastname together with their original password and the next 6-digit code displayed when the token button is depressed.
D. They should use the username format: [email protected], together with a password and their 6-digit code.