Which of the following statements is true about the WLAN traffic forwarding model?

In both direct and tunnel forwarding modes, after Layer 2 roaming is complete, traffic is forwarded to the home agent through a CAPWAP tunnel.

In direct forwarding mode, after Layer 2 roaming is complete, traffic is directly forwarded by the FAP without passing through the FAC.

In direct forwarding mode, after Layer 3 roaming is complete, traffic is sent to the HAC and then directly forwarded to the upper-layer network by default.

In tunnel forwarding mode, after Layer 3 roaming is complete, traffic forwarded to the upper-layer network must pass through the HAC and then the HAP.