What are two benefits of Per-Tunnel QoS for DMVPN?

What are two benefits of Per-Tunnel QoS for DMVPN? (Choose two.)

A.
The administrator can configure criteria that, when matched, can automatically set up QoS for
each spoke as it comes online.

B.
Traffic from each spoke to the hub can be regulated individually.

C.
When traffic exceeds a configurable threshold, the spokes can automatically set up QoS with the
hub.

D.
The hub can send large packets to a spoke during allotted timeframes.

E.
The hub can be regulated to prevent overloading small spokes.