An AP is not communicating with the controller. Upon investigation you find that the AP is not discovering its controller through DNS. Instead, it received a DHCP reply with option 43 specifying the SIP server’s IP address. How do you resolve this problem?
A. Statically configure the AP to ignore Option 43
B. On the DHCP server implement Option 60
C. Statically configure the AP to only use DNS resolution and not other dynamic discovery methods
D. After failing option 43 the AP should have proceeded with ADP, therefore the AP is faulty and needs to be replaced
E. The AP should be purged
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