What are the prerequisites for users to implement Layer 3 roaming (Select 3 Answers)?
A . The two APs of the user roaming switch must have the same SSI
C . Two APs for user roaming switch must have the same VLAN
D . User roaming requires two AP signals to be covered with overlapping areas
E . The SSID released by the two APs of the user roaming switch must have the same authentication method.
Answer: A C D