AP® Cybersecurity glossary
Frame
Also called: Ethernet frame
A unit that wraps a packet for one link, with the media access control (MAC) addresses of the two devices on that link.
Appears in the course and exam description (CED): 3.1.A.23.5.E.4
Why it matters in Unit 3
MAC flooding sends a switch a stream of Ethernet frames, each with a different MAC address. Wi-Fi beacon frames are frames too.
Example
A packet crossing three routers is wrapped in a new frame on every link, while the internet protocol (IP) addresses in the packet stay the same end to end.
Learn it properly, with a checkpoint Networks: hosts, packets and the devices that move them