A network administration team for a medium-sized business has decided to segment the network, logically separating the finance and marketing teams in order to improve performance for both teams. The finance and marketing teams still need to access resources across the subnets, and the router has a single interface.
Which of the following should the administrator configure in order to allow the traffic?


A. Port address translation
B. Classless masking
C. IPv6 tunneling
D. Subinterfaces