Glossary of Key Terms


802.1Q 802.1Q is an IEEE standard protocol used for VLAN tagging of Ethernet frames. 802.1Q defines the procedures to be used by switches, wireless access points, and other network devices when handling such frames. The most critical piece of information in an 802.1Q VLAN tag is the VLAN ID.

802.1X 802.1X is an IEEE standard that is used to implement port-based access control. In simple terms, an 802.1X access device will allow traffic on the port only after the device has been authenticated and authorized.


AAA Authentication, authorization, and accounting.

Access control list (ACL) This is the simplest way to implement a DAC-based system. ACLs can apply to different objects (like files) or they can also be configured ...

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