Which three statements ore valid methods of Link Aggregation Control Protocol negotiation? (Choose three.)
A. Switches activate one of the blocked paths and negotiate the forwarding path upon failure.
B. Every other switch on the LAN negotiates only one data path back to the root bridge.
C. Switches wait until they receive an aggregation request,negotiate the status of the links, and proceed.
D. One switch sends repeated requests to the other switch that is requesting the port aggregation status. The two switches negotiate the status of the links and proceed.
E. Switches with links enabled for port aggregation do the port aggregation themselves and must be manually configured to be compatible at each end of that link