If the client has equipment from multiple vendors in their network, which statement about
the technologies that can be used is true?

A.
Cisco onePK is vendor-specific and therefore cannot control all the equipment.

B.
OpenFlow is not a good candidate because it is vendor-specific.

C.
Cisco onePK is a good candidate because it is vendor agnostic.

D.
OpenFlow is not a good candidate because it is only for Layer 2 switches.