An administrator needs to configure VPN user access for multiple sites using the same soft FortiToken. Each site has a FortiGate VPN gateway.
What must an administrator do to achieve this objective?
A . The administrator can register the same FortiToken on more than one FortiGate.
B . The administrator must use a FortiAuthenticator device.
C . The administrator can use a third-party radius OTP server.
D . The administrator must use the user self-registration server.
Answer: B