Employees are allowed to start bringing their own wireless devices to work for use on the 802.11a/b/g/n WLAN when using their existing credentials. However, they are experiencing issues. Which two items are the most probable cause of these issues? (Choose two.)

A.
incorrect IP address

B.
supplicant or driver

C.
incorrect user name

D.
wrong wireless band

E.
application issues

Explanation: