Which two statements about the Cisco WLC and AP code upgrade when 7.0 is running are true? (Choose two.)

Which two statements about the Cisco WLC and AP code upgrade when 7.0 is running are true? (Choose two.)
A . The AP can download and run new code only after a Cisco WLC reboot causes the AP discovery and join.
B . The AP can download new code before the Cisco WLC reboot, but only if the AP is configured the CLI via SS
D . The AP can download new code before Cisco WLC reboot if it is configuring the Cisco WLC directly using the GUI via HTTP or HTTP
F . The Cisco WLC defaults to booting newer code, but it can boot older backup code only from the CLI configuration.
G . The Cisco WLC can boot either primary or back code configured from the GU
. The Cisco WLC can download only a single code at a time for reboot.

View Answer

Answer: CE

Explanation:

Each Cisco WLC can boot off the primary, last-loaded OS image or boot off the backup, earlier-loaded OS image. In order to change a Cisco WLC boot option, issue the config boot command. By default, the primary image on the controller will be chosen as the active image. Examples

config boot primary

config boot backup In order to configure the boot order using the WLC GUI, complete these steps: When the WLC reboots and comes back up, it will boot with the backup image.

http://www.cisco.com/c/en/us/support/docs/wireless/4400-series-wireless-lan-controllers/107530-backup­image-wlc.html