An enterprise has multiple branches. The exit IP address of the headquarters is fixed, but the exit IP addresses of the branches are random. An IPSec VPN needs to be established between the headquarters and branches. In order to reduce management and maintenance costs, which of the following is appropriate? How to configure IPSec VPN?

An enterprise has multiple branches. The exit IP address of the headquarters is fixed, but the exit IP addresses of the branches are random. An IPSec VPN needs to be established between the headquarters and branches. In order to reduce management and maintenance costs, which of the following is appropriate? How to configure IPSec VPN?
A . Headquarters and branches adopt a point-to-point approach
B . Both the headquarters and branches adopt the strategic model approach
C . The headquarters adopts the policy template method, and the branches adopt the point-to-point method.
D . The headquarters and branches adopt IKE v2 method

Answer: C