试题详情
单项选择题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 and GRE cannot be used

C、when the remote VPN peer is a dialup or remote access client

D、when a dynamic routing protocol is required across the VPN and GRE cannot be used

  • D
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