Fortinet NSE 6 - FortiAuthenticator 6.4

Examine the screenshot shown in the exhibit.

Which two statements regarding the configuration are true? (Choose two.)

An administrator is integrating FortiAuthenticator with an existing RADIUS server with the intent of eventually replacing the RADIUS server with FortiAuthenticator.
How can FortiAuthenticator help facilitate this process?

You are an administrator for a large enterprise and you want to delegate the creation and management of guest users to a group of sponsors.
How would you associate the guest accounts with individual sponsors?

You are a Wi-Fi provider and host multiple domains.
How do you delegate user accounts, user groups and permissions per domain when they are authenticating on a single FortiAuthenticator device?

You have implemented two-factor authentication to enhance security to sensitive enterprise systems.
How could you bypass the need for two-factor authentication for users accessing form specific secured networks?