CertiGuide to Network+  9  Glossary

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Exabyte

Approximately one quintillion bytes, or one billion billion bytes.

For DNS, the number of seconds that DNS servers operating as secondary masters for a zone use to determine if zone data should be expired when the zone is not refreshed and renewed.

A trust relationship from Windows NT in which an explicit link is made in one direction only. Explicit trusts can also exist between Windows NT domains and Windows 2000 domains, and between forests.

In NFS, to make a file system available by a server to a client for mounting.

A 32-bit bus standard introduced in 1988 by a consortium of nine computer-industry companies. EISA maintains compatibility with the earlier Industry Standard Architecture (ISA) but provides for additional features.

A portion of a basic disk that can contain logical drives. To have more than four volumes on your basic disk, you need to use an extended partition. Only one of the four partitions allowed per physical disk can be an extended partition, and no primary partition needs to be present to create an extended partition. You can create extended partitions only on basic disks.

An extension to PPP that allows for arbitrary authentication mechanisms to be employed for the validation of a PPP connection.

A meta-markup language that provides a format for describing structured data. This facilitates more precise declarations of content and more meaningful search results across multiple platforms. In addition, XML will enable a new generation of Web-based data viewing and manipulation applications.

A internet site with controlled and limited access created for business to business needs.

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