What security feature can be utilized to enhance access control on a network?

Using MAC address filtering is an effective way to enhance access control on a network by allowing only devices with specified MAC addresses to connect to the network. Each device has a unique MAC address, and by configuring the network's access settings to permit only recognized MAC addresses, administrators can improve security by restricting access to authorized devices. This practice helps in preventing unauthorized devices from joining the network, thus mitigating potential risks of data breaches or malicious activity from unknown sources.

While other options like network firewalls, access control lists, and port forwarding play significant roles in network security, they function in different aspects of security management. A firewall can filter incoming and outgoing traffic based on security rules, access control lists manage permissions for users and resources, and port forwarding directs network traffic to specific devices on the network. However, MAC address filtering centers directly on controlling and managing which specific devices can access the network, making it a targeted method for enhancing access control.