A technician wants to prevent an unauthorized host from connecting to the network via Ethernet. Which of the following is a Layer 2 access control the technician should implement?
A) Access control lists
B) Captive portal
C) WPA2
D) Port security

Question

Quizplus · Accepted Answer

Port security is a Layer 2 access control method that restricts unauthorized devices from connecting to a network by limiting the number of MAC addresses allowed on a switch port.

A Technician Wants to Prevent an Unauthorized Host from Connecting