Option 43 must be configured to allow access points to locate controllers. In what network service s

Option 43 must be configured to allow access points to locate controllers. In what network service should this option be configured?

A. DHCP

B. LDAP

C. DNS

D. RADIUS

Reference: https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/97066-dhcp-option-43-00.html