On a multilayer Cisco Catalyst switch, which interface command is used to convert a Layer 3
interface to a Layer 2 interface?
A.
switchport
B.
no switchport
C.
switchport mode access
D.
switchport access vlan vlan-id
Explanation:
The switchport command puts the port in Layer 2 mode. Then, you can use other switchport
command keywords to configure trunking, access VLANs, and so on.
Reference:
http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_25_se/configuration/guide/swint.html#wp1415008