A network administrator has racked up a 7210 Mobility Controller (MC) that will be terminating 200+ Aps on a medium-size

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A network administrator has racked up a 7210 Mobility Controller (MC) that will be terminating 200+ Aps on a medium-size branch office. Next, the technician cabled the appliance with 4SPF+ Direct Attached Cables (DACs) distributed between two-member switching stack and powered it up.
What must the administrator do next in the MCs to assure maximum wired bandwidth utilization?

A. Map the four physical ports to port channel 0.
B. Disable spanning tree and allocate unique VLANs to each port.
C. Manually set 10Gbps speeds on all ports.
D. Configure the same MSTP region that the switches have.
E. Make all ports trunk interfaces and permit data VLANs.