Which two Cisco AutoQoS interface statements are true? (Choose two)

Which two Cisco AutoQoS interface statements are true? (Choose two)

A.
AutoQoS is supported on Frame Relay multipoint subinterfaces.

B.
AutoQoS is supported on low-speed ATM PVCs in point-to-point subinterfaces.

C.
AutoQoS is supported on serial PPP and HDLS interfaces.

D.
AutoQoS is supported only on Frame Relay main interfaces and not on any subinterface configuration.