According to the network, data traffic is transmitted in the STA-HAP-HAC-upper-layer network flow through direct forwarding before roaming, and the home agent is deployed on the AC.
What is the flow direction of data traffic after Layer 3 roaming?
A . STA-FAP-FAC-upper-layer network
B . STA-FAP-FAC-HAC-FAC-upper-layer network
C . STA-FAP-FAC-HAC-upper-layer network
D . STA-FAP-FAC-HAC-HAP-HAC-upper-layer network
Answer: C