Implementing Cisco IP Switched Networks (SWITCH v2-0) (#274)

A company has a following network infrastructure. Refer to the exhibit:

To enable inter-VLAN routing on the distribution layer switch, which of the following commands should be used?

dlswitch# switchport mode access
dlswitch (config) # switchport mode trunk
dlswitch(config-if) # switchport mode trunk
dlswitch(config-if) # switchport mode access