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.

set of continuous physical extents

Set of physical sectors (blocks) contained within a single physical volume. A physical extent is a specific, contiguous region of the disk where data resides. This is of a constant size usually of 4 MB and has no partitions.