Refer to the exhibit. A new TAC engineer came to you for advice. A GRE over IPsec tunnel was configured, but the tunnel is not coming up.
What did the TAC engineer configure incorrectly?
A. The crypto isakmp configuration is not correct.
B. The crypto map configuration is not correct.
C. The network 172.16.1.0 is not included in the OSPF process.
D. The interface tunnel configuration is not correct.
Correct Answer: D
The “tunnel destination” in interface tunnel should be 192.168.1.2, not 172.16.1.2 -> D is correct.