An OpenFlow controller controls several switches that operate in pure OpenFlow mode. Based on this scenario, what is the controller required to do?

A.
Configure a table miss entry with the Normal action for each switch.

B.
Configure flow entries to handle any loops in the topology.

C.
Use either OpenFlow 1.0 or OpenFlow 1.3, but not both versions.

D.
Ensure that each switch uses a single OpenFlow table.