How are the STP BPDUs forwarded over Cisco ACI fabric?

Refer to the exhibit.

How are the STP BPDUs forwarded over Cisco ACI fabric?
A . STP BPDUs that are generated by Switch2 are received by Switch1 and Switch3.
B . Cisco ACI fabric drops all STP BPDUs that are generated by the external switches.
C . Cisco ACI acts as the STP root for all three external switches.
D . STP BPDUs that are generated by Switch1 are received only by Switch3.

View Answer

Answer: A

Explanation:

Reference: https://www.linkedin.com/pulse/cisco-aci-network-behaviour-stptcn-how-identify-loop-ankit­kulshresta