A. The controller places the conductor nodes in standby mode and takes over as the active conductor for the Kubernetes cluster.

B. The controller sends API requests through the gateway, which load balances them across the conductor nodes.

C. The controller can manage the cluster, but using HA for the conductors limits a few features such as Data Taps and the Web Terminal.

D. The controller elects one conductor as the primary conductor and places the other conductors in standby mode.