Refer to the exhibit.
Which two options are two characteristics of the single-tier headend architecture for DMVPN designs? (Choose two.)
A. The mGRE and crypto functions are on the same router.
B. Each DMVPN cloud has two different headend routers for high availability purposes.
C. It is used in dual-cloud topologies for spoke-to-spoke connectivity.
D. It only supports hub-and-spoke connectivity.
E. Spokes cannot be used as RP in multicast deployments.
