Referring to a DMVPN hub router tunnel interface configuration, what can happen if the ip nhrp map multicast dynamic command is missing on the tunnel interface?

A.
The NHRP request and response between the spoke router and hub router will fail.

B.
The GRE tunnel between the hub router and the spoke router will be down.

C.
The IPsec peering between the hub router and the spoke router will fail.

D.
The dynamic routing protocol between the hub router and the spoke router will fail.

E.
The NHRP mappings at the spoke routers will be incorrect.

F.
The NHRP mappings at the hub router will be incorrect.