Which is the most likely cause for this user to lose their connection when they roam on the wireless network?

You are a technical support engineer and receive a call from a customer regarding a problem with their wireless network connection. The building has an ESS network with five 802.11g access points.

The customer claims that when they move from their office to a conference room using the 802.11g network they lose their connection and cannot connect to the access point in the conference room.

Which is the most likely cause for this user to lose their connection when they roam on the wireless network?
A . Different RF channel
B . Mismatched SSID
C . Different BSSID
D . Mismatched association

Answer: B