B is the correct choice

B. FlexVPN uses IKEv2. DMVPN uses IKEv1 or IKEv2 FlexVPN is a Cisco VPN solution that makes VPN deployment easier by using a centralized VPN management model. It uses IKEv2 as the default key exchange protocol to deliver secure and flexible VPN connections. FlexVPN is supported on Cisco IOS XE and Cisco IOS software platforms. DMVPN (Dynamic Multipoint Virtual Private Network) is a Cisco VPN solution that allows the creation of VPNs with dynamic spoke-to-spoke connections. It uses IKEv1 or IKEv2 as the key exchange protocol to provide secure VPN connections. DMVPN is supported on Cisco IOS, Cisco IOS XE and Cisco IOS XR software platforms.

Selected Answer: B B. FlexVPN relies on IKEv2. DMVPN uses IKEv1 or IKEv2.

Selected Answer: B B is the correct one