Refer to the exhibit. The DMVPN spoke is not establishing a session with the hub. Which two actions resolve this issue? (Choose two.)
A. Change the spoke nhs to 172.16.18.1 and the nbma to 10.0.0.1.
B. Change the transform set to mode tunnel.
C. Change the ISAKMP policy authentication on the spoke to pre-shared.
D. Change the ISAKMP key address on the spoke to 0.0.0.0.
E. Change the nhrp authentication key on the spoke to cisco123.