Which of the following combinations of two FortiGate device configurations (side A and side B), can be used to successfully establish an IPsec VPN between them? (choose two)
A. Side A:main mode, remote gateway as static IP address, policy based VPN. Side B: aggressive mode, remote Gateway as static IP address policy-based VPN.
B. Side A:main mode, remote gateway as static IP address, policy based VPN. Side B: main mode, remote gateway as static IP address, route-based VPN
C. Side A:main mode, remote gateway as static IP address, policy based VPN. Side B: main mode, remote gateway as dialup, route-based VPN.
D. Side A: main mode, remote gateway as dialup policy based VPN, Side B: main mode, remote gateway as dialup, policy based VPN.