| Recommended Configuration | SMS; Authenticator; U2F | 
|---|---|
| Alternate Configuration 1 | Authenticator | 
| Alternate Configuration 2 | Proprietary; U2F | 
| Alternate Configuration 3 | SMS; U2F; Proprietary | 
| Account/Password Recovery | PR email; PR SMS only if SMS 2FA is not enabled; PR manual review | 
| Remarks |