What are two advantages of IKEv2 and Cisco FlexVPN? (Choose two.)

A.
Cisco FlexVPN supports interoperability, dynamic routing, direct spoke-to-spoke
communication, remote access, source failover, per-peer QoS, and Full AAA management.

B.
IKEv2 consolidates several VPN key management features and standards into one new
standard.

C.
IKEv2 is backwards compatible with IKEv1.

D.
The anticlogging cookie feature from IKEv1 has been improved.