Which two statements are true about RSTP? (Choose two.)
A. By default, RTSP uses a separate TCN BPDU when interoperating with 802.1D switches.
B. By default, RTSP does not use a separate TCN BPDU when interoperating with 802.1D switches.
C. If a designated port receives an inferior BPDU, it immediately triggers a reconfiguration.
D. By default, RTSP uses the topology change TC flag.
E. If a port receives a superior BPDU, it immediately replies with its own information, and no reconfiguration is triggered.
