Refer to the exhibit. Given the topology shown, what are two ways to allow the VPN to operate?()
A.Use route maps on the 831
B.The 831 has IPSec NAT-Transparency (NAT-T) enabled
C.Disallow split tunneling on the 831
D.IPSec pass-through must be enabled on the Linksys
E.Use the port-mapping feature on the residential router