Refer to the exhibit.
Which EtherChannel negotiation protocol is configured on the interface f0/13 f0/15?
A.
Link Combination Control Protocol
B.
Port Aggregation Protocol
C.
Port Combination Protocol
D.
Link Aggregation Control Protocol
Explanation:
PAgP modes are off, auto, desirable, and on. Only the combinations auto-desirable, desirable- desirable, and on-on will allow a channel to be formed. .
The Link Aggregate Control Protocol (LACP) trunking supports four modes of operation:
In this example, we see that fa 0/13, fa0/14, and fa0/15 are all in Port Channel 12, which is operating in desirable mode, which is only a PAgP mode.