Which of the following controller ports is used to connect to a peer controller for high availability (HA) operation?

(A) Service port
(B) Distribution system port
(C) Redundancy port
(D) Console port

Redundancy port is the correct answer.

Service port: Used for out-of-band management, system re covery, and initial boot functions; always connects to a switch port in access mode.

Distribution system port: Used for all normal AP and management traffic; usually connects to a switch port in 802.1Q trunk mode.

Console port: Used for out-of-band management, system recovery, and initial boot functions.

Redundancy port: Used to connect to a peer controller for high availability (HA) operation.