You are a network administrator. In order to improve the security of your company’s switching network, refer to the following options. Which two methods are examples of implementing Layer 2 security on a Cisco switch? (Choose two.)

A.
enable HTTP access to the switch for security troubleshooting

B.
disable trunk negotiation on the switch

C.
use only protected Telnet sessions to connect to the Cisco device

D.
configure a switch port host where appropriate