Which of the following is the possible cause of the failure?

Which of the following is the possible cause of the failure?
A . The route between the gateway and the intranet server is unreachable.
B . The user is not assigned to the resources of the web proxy.
C . The security policy does not allow traffic from the extranet to the intranet server.
D . The SSL VPN one-arm deployment is attached to the firewall. It is necessary to use NAT to map the private network address of the SSL VPN gateway to the public network address. The address mapping is incorrect.

Answer: B