CertiGuide to Network+  9  Glossary

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Encrypting File System (EFS)

A new feature in Windows 2000 that protects sensitive data in files that is stored on disk using the NTFS file system. It uses symmetric key encryption in conjunction with public key technology to provide confidentiality for files. It runs as an integrated system service, which makes EFS easy to manage, difficult to attack, and transparent to the file owner and to applications.

The process of disguising a message or data in such a way as to hide its substance.

A bit string that is used in conjunction with an encryption algorithm to encrypt and decrypt data.

An extension of the IDE standard, EIDE is a hardware interface standard for disk drive designs that houses control circuits in the drives themselves. It allows for standardized interfaces to the system bus, while providing for advanced features, such as burst data transfers and direct data access.

In the computer community, enterprise refers to larger size operations or organizations.

A software system designed to support and automate the processes of an organization, including manufacturing and distribution, accounting, project management and personnel functions.

A string consisting of environment information, such as a drive, path, or filename, associated with a symbolic name that can be used by Windows NT and Windows 2000. Use the System option in Control Panel or the set command from the command prompt to define environment variables.

An IEEE 802.3 standard for contention networks. Ethernet uses a bus or star topology and relies on the form of access known as Carrier Sense Multiple Access with Collision Detection (CSMA/DC) to regulate communication line traffic. Network nodes are linked by coaxial cable, fiber-optic cable, or by twisted-pair wiring. Data is transmitted in variable-length frames containing delivery and control information and up to 1,500 bytes of data. The Ethernet standard provides for baseband transmission at 10 megabits (10 million bits) per second.

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