An engineer must implement Cisco Identity-Based Networking Services at a remote site using ISE to dynamically assign groups of users to specific IP subnets. If the subnet assigned to a client is available at the remote site, then traffic must be offloaded locally, and subnets are unavailable at the remote site must be tunneled back to the WLC. Which feature meets these requirements? 

Answer options:

A. learn client IP address
B. FlexConnect local authentication
C. VLAN-based central switching
D. central DHCP processing

C