A Cisco Aironet 1260 AP is unable to join a Cisco 2500 Series WLC that is connected through a Layer 2 switch.
Which three options help to verify the wireless network operation and locate a possible issue?

A.	Verify status of GUI Wireless > Country
B.	Verify status of GUI Wireless > Timers
C.	Verify status of GUI WLANs > ID > Advanced
D.	CLI debug of dot11
E.	CLI debug of DHCP
F.	Verify Cisco WLC license
G.	Verify Cisco WLC model