A customer is deploying the Cisco 5508 Wireless Controller in a unified wireless solution. Which command must be configured on the neighboring switch port if the management interface on the WLC is configured to send untagged traffic to ensure that management traffic utilizes VLAN 10?
A. switchport trunk native vlan 10
B. spanning-tree portfast
C. switchport access vlan 10
D. switchport trunk allowed vlan 10
E. channel-group 10
