What Are Two Characteristics of Cisco ACI and Spanning Tree

Multiple Choice

What are two characteristics of Cisco ACI and Spanning Tree Protocol interaction? (Choose two.)

A) When a TCN BPDU is received in a VLAN, Cisco ACI flushes the endpoints for the associated encapsulation.
B) STP BPDUs are dropped due to MCP.
C) MST BPDUs are flooded correctly in Cisco ACI fabric without additional configuration.
D) BPDU filter and BPDU guard can be configured on Cisco ACI leaf edge ports.
E) Cisco ACI must be configured as the STP root for all VLANs.