An engineer has successfully configured high availability and SSO using two Cisco 5508 Wireless LAN Controllers. The engineer can access the Active PrimaryWLC, but the Secondary Standby WLC is not accessible. Which two methods allow access to the standby unit? (Choose two.)

A. via the console connection B. SSH to the redundancy management interface of the primary WLC C. SSH to the service port interface D. SSH to the virtual interface of the secondary WLC E. SSH to the management interface of the primary WLC