Which functionality does the Cisco ISE self-provisioning flow provide?

Which functionality does the Cisco ISE self-provisioning flow provide?

A.
It provides support for native supplicants, allowing users to connect devices directly to the
network.

B.
It provides the My Devices portal, allowing users to add devices to the network.

C.
It provides support for users to install the Cisco NAC agent on enterprise devices.

D.
It provides self-registration functionality to allow guest users to access the network.