Which feature of GETVPN is a limitation of DMVPN and FlexVPN?

Which feature of GETVPN is a limitation of DMVPN and FlexVPN?
A . sequence numbers that enable scalable replay checking
B . enabled use of ESP or AH
C . design for use over public or private WAN
D . no requirement for an overlay routing protocol

View Answer

Answer: D

Explanation:

one benefit of GET VPN is Simplified network design due to leveraging of native routing infrastructure (no overlay routing protocol needed) f mismatch is causing the problem with the IPsec VPN