Which two tasks must you perform on a device to ensure that an Ether Channel operates at Layer3? (Choose two)

Which two tasks must you perform on a device to ensure that an Ether Channel operates at Layer3? (Choose two)
A . Configure Ether Channel directly on the interface
B . Configure the switchport mode access command on the device
C . Configure the no switchport command on the physical interface (s)
D . Configure the channel-group 10 mode on command on the port channel
E . Configure the switchport mode trunk command on the device

Answer: AC