The glossary below contains many of the terms you will find in common use throughout the Symantec Security Response website. Please refer to this list to find definitions of terms and answers to other Internet security-related questions.

FDDI Fiber Distributed Data Interface

A set of ANSI protocols used for sending digital data over fiber optic cable. FDDI networks are token-passing networks and support data rates of up to 100 Mb (100 million bits) per second. FDDI networks are typically used as backbones for wide area networks.