A corporate network administrator is configuring access control on the switches to allow only authorized devices to connect to the LAN. The administrator wants to dynamically assign VLANs based on user identity and prevent unauthorized network access at the port level. Which of the following should be implemented?
Setting up Layer 7 firewall rules to assign VLANs
Utilizing port security with MAC address filtering on the switches
Implementing 802.1X on the network switches
Configuring a WAF (Web Application Firewall) for VLAN assignment