What is the effect of this configuration?

Refer to the exhibit. What is the effect of this configuration?

• A. The switch discards all ingress ARP traffic with invalid MAC-to-IP address bindings.
• B. All ARP packets are dropped by the switch.
• C. Egress traffic is passed only if the destination is a DHCP server.
• D. All ingress and egress traffic is dropped because the interface is untrusted.