What Is 802.1Q?

802.1Q across 2 exams

802.1Q appears on the following exams. Each defines it in the context candidates are tested on:

Network+

The IEEE standard that defines VLAN tagging on Ethernet frames, allowing switches to identify VLAN membership across trunk links.

CCNA

The IEEE standard for VLAN tagging that inserts a tag into an Ethernet frame to identify which VLAN the frame belongs to as it crosses a trunk link.