Which of the following description of the working process of network expansion is wrong?

Which of the following description of the working process of network expansion is wrong?
A . After the network extension function is triggered, an SSL VPN tunnel needs to be established between the remote user and the virtual gateway.
B . The local PC of the remote user will automatically generate a virtual network card. The virtual gateway randomly selects an IP address from the address pool and assigns it to the virtual network card of the remote user.
C . After the remote user virtual network card obtains the private network IP address, the route to the intranet server needs to be manually configured to access intranet resources normally.
D . The remote user sends a service request packet to the server on the intranet. The packet flows through the SSL VPN tunnel to the virtual gateway.

Answer: C