Which two conditions must be met to establish a Layer 2 EtherChannel? (Choose two.)
A. SPAN must be disabled on the ports.
B. LAN ports in the EtherChannel must be contiguous.
C. The trunking protocol must be the same for all links in the EtherChannel.
D. All ports in the EtherChannel must be on the same module.
E. All ports in the EtherChannel must operate in half duplex.
