A general authentication protocol developed for PPP. EAP can be used with IEEE 802, and is capable of heading other authentication protocols, so it improves interoperability between RAS systems, RADIUS servers, and RAS clients. Used with MD5-Challenge, smart cards, and certificate authentication in Windows XP Professional.
Encrypting File System (EFS)
An advanced attribute setting of Windows 2000, Windows XP, and Windows Server 2003 for files and folders on an NTFS-formatted volume that provides certificate-based public key security for those files and folders. EFS encrypts and decrypts files in a manner that is transparent to users.
encryption
Scrambling and rearranging data in a file through use of an algorithm so the file cannot be read.
extended partition
One of the primary partitions that can be divided into multiple logical drives.
