An exhibit with spanning-tree. Protocol used was IEEE. (Choose two.)
A. The command spanning-tree mode IEEE was implemented.
B. The spanning-tree mode is IEEE.
C. The protocol is Cisco proprietary.
D. The protocol is supported per MEC basis.
E. The protocol does not supported by switches that utilizes EtherChannel.
IEEE is the default method and is cisco propietary for PVST so is B and C
NO