An administrator has configured a route-based IPsec VPN between two FortiGates. Which statement about this IPsec VPN configuration is true?

A. A phase 2 configuration is not required.

B. This VPN cannot be used as part of a hub and spoke topology.

C. The IPsec firewall policies must be placed at the top of the list.

D. A virtual IPsec interface is automatically created after the phase 1 configuration is completed.