which configuration step is required only for Cisco AnyConnect full tunnel SSL VPN access and not required for clientless SSL VPN?

When configuring SSL VPN on the Cisco ASA appliance, which configuration step is required only for Cisco AnyConnect full tunnel SSL VPN access and not required for clientless SSL VPN?

A.
user authentication

B.
group policy

C.
IP address pool

D.
SSL VPN interface

E.
connection profile

Explanation: