Glossary

Numbers and Symbols

802.1x An IEEE standard that provides for port-based access control and, thus, authentication for both wired and wireless networks. 802.1x uses the physical characteristics of a switched LAN to authenticate devices (and users) that are attached to each switch port and to disallow access from that port if the user or device cannot be successfully authenticated.

3DES (Triple Data Encryption Standard) A more secure variant of the DES standard that encrypts data by using three different 56-bit keys in succession. 3DES thus extends the DES key to 168 bits, providing approximately 6.2×1057 different keys.

%systemroot% A universal reference to the directory in which the Windows system files are installed. Typically, %systemroot% ...

Get MCSE 70-293 Exam Prep: Planning and Maintaining a Microsoft Windows Server 2003 Network Infrastructure, 2/e now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.