Question about EtherChannel based on STP EtherChannel misconfig......

Question about EtherChannel based on STP EtherChannel misconfig……

Question about EtherChannel based on STP EtherChannel misconfig……
A . (config)#spanning-tree etherchannel guard misconfig
B . (config-if)#spanning-tree etherchannel guard misconfig
C . (config)# spanning-tree etherchannel misconfig guard
D . (config-if)# spanning-tree etherchannel misconfig guard

Answer: A