Which four Cisco proprietary Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus? (Choose four.)

Which four Cisco proprietary Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus? (Choose four.)
A . PortFast
B . UplinkFast
C . loop guard
D . root guard
E . BPDU guard
F . BackboneFast

View Answer

Answer: ACDE