Which issue could cause the Blocked status on A2?

Refer to the Exhibit:

Which issue could cause the Blocked status on A2?
A . A1 and A2 are connected to different switches.
B . A1 and A2 use different trunk load balancing modes.
C . A1 and A2 have spanning tree enabled on the link aggregation.
D . A1 and A2 support different VLANs

View Answer

Answer: A