单选题A route-based VPN is required for which scenario? （）A
when the remote VPN peer is behind a NAT deviceB
when multiple networks need to be reached across the tunnelC
when the remote VPN peer is a dialup or remote access clientD
when a dynamic routing pro
题目
单选题
A route-based VPN is required for which scenario? （）
A
when the remote VPN peer is behind a NAT device
B
when multiple networks need to be reached across the tunnel
C
when the remote VPN peer is a dialup or remote access client
D
when a dynamic routing protocol such as OSPF is required across the VPN
