Study the exhibit carefully. The Cisco IOS IPsec High Availability (IPsec HA) Enhancementsfeature provides an infrastructure for reliable and secure networks to provide transparent availability of the VPN gateways - that is, Cisco IOS Software-based routers. What are the twooptions that are used to provide High Availability IPsec?()
A.HSRP
B.Dual Router Mode (DRM) IPsec
C.IPsec Backup Peerings
D.RRI