You need to change the default mac address aging time on a switch to 400 seconds. Which command would you use?

A. Switch# set mac aging 400
B. Switch# mac aging-time 400 seconds
C. Switch# mac-address-table aging-time 400
D. Switch# mac address-aging 400

C. MAC address aging time can be configured via the command macaddress-table aging-time 400. You can additionally specify a VLAN ID.