A network engineer is configuring DMVPN and entered the crypto isakmp key cisc0383320506 address 0.0.0.0 command on host
A. The tunnel is not being established to host
Change the password on host A to the default password
B. What action is needed to authenticate the VPN?
Enter the command with a different password on host B
C. Enter the same command on host B
D. Change isakmp to ikev2 in the command on host A