The VPN termination function provides the ability to connect two networks together securely overthe internet. Which of these is true of IP addressing with regard to VPN termination？（）

• A、 termination devices need routable addresses inside the VPN
• B、 termination devices need not routable addresses inside the VPN
• C、 IGP routing protocols will update their routing tables over an IPsec VPN
• D、 addressing designs need to allow for summarization