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

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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 SSH.
C. The AP can download new code before Cisco WLC reboot if it is configuring the Cisco WLC directly using the GUI via HTTP or HTTPS.
D. The Cisco WLC defaults to booting newer code, but it can boot older backup code only from the CLI configuration.
E. The Cisco WLC can boot either primary or back code configured from the GUI.
F. The Cisco WLC can download only a single code at a time for reboot.