Referring to the DMVPN topology diagram shown in the exhibit, which two statements
are correct? (Choose two.)

A.
The hub router tunnel interface must have the EIGRP next hop self-enabled.

B.
Before a spoke-to-spoke tunnel can be built, the spoke router needs to send an
NHRP query to the hub to resolve the remote spoke router physical interface IP address.

C.
The hub router needs to have EIGRP split horizon disabled.

D.
The spoke routers act as the NHRP servers for resolving the remote spoke
physical interface IP address.

E.
At the Spoke A router, the next hop to reach the 192 168.0.0/24 network should
be 172.17.0.1.

F.
At the Spoke A router, the next hop to reach the 192.168.2.0/24 network should
be 10.0.0.1.

Explanation:
http://www.cisco.com/c/en/us/support/docs/security-vpn/ipsec-negotiation-ike-protocols/43067-dmvpn-gre-eigrp.html!— This is the mGRE interface for dynamic GRE tunnels.
interface Tunnel1
description MULTI-POINT GRE TUNNEL for BRANCHES
bandwidth 1000
ip address 172.16.0.1 255.255.255.0
no ip redirects
ip mtu 1400
ip nhrp authentication dmvpn
ip nhrp map multicast dynamic
ip nhrp network-id 99
ip nhrp holdtime 300
no ip split-horizon eigrp 1
no ip mroute-cache
delay 1000
tunnel source FastEthernet0/0
tunnel mode gre multipoint
tunnel key 100000
tunnel protection ipsec profile dmvpnprof