The NHTB configuration excerpt shown in the exhibit is applied on an SRX Series device that is a hub in a hub-and-spoke VPN

Which statement is true about this configuration?

A.
The spoke devices can be any IPSec VPN gateway

B.
The spoke devices must be SRX Series devices

C.
The spoke devices must support NHTB protocol.

D.
The spoke devices require multipoint configured on the st0 interface.