Using the SSL function of the USG gateway, the administrator can quickly and securely access all resources in the enterprise intranet, not only Web resources, but also ensure that the communication between the client and the virtual gateway adopts the SSL security protocol, and must ensure that the SSL client does not affect access to other network resources and can directly access Internet resources _______________.

Using the SSL function of the USG gateway, the administrator can quickly and securely access all resources in the enterprise intranet, not only Web resources, but also ensure that the communication between the client and the virtual gateway adopts the SSL security protocol, and must ensure that the SSL client does not affect access to other network resources and can directly access Internet resources _______________.
A . Network expansion in full routing mode
B. Network Expansion in Split Mode
C. Network expansion in manual mode
D. Port forwarding

Answer: C