wireless communication

Communication between a computer and another computer or device without wires. The form of wireless communication provided as part of the Windows operating system uses infrared light to transmit files. Radio frequencies, as used by cellular and cordless telephones, are another form of wireless communication.
See also: infrared (IR); infrared device; infrared port

workgroup

A simple grouping of computers, intended only to help users find such things as printers and shared folders within that group. Workgroups in Windows do not offer the centralized user accounts and authentication offered by domains.
See also: authentication; domain; user account

World Wide Web

A system for exploring the Internet by using hyperlinks. When you use a Web browser, the Web appears as a collection of text, pictures, sounds, and digital movies.

Writable CD

Recordable compact disc (CD-R) or rewritable compact disc (CD-RW). Data can be copied to the CD on more than one occasion. Rewritable compact discs can also be erased.

X.509v3 certificate

Version 3 of the ITU-T recommendation X.509 for certificate syntax and format. This is the standard certificate format used by Windows XP certificate-based processes.
An X.509 certificate includes the public key and information about the person or entity to whom the certificate is issued, information about the certificate, plus optional information about the certification authority (CA) issuing the certificate.
See also: International Telecommunication Union - Telecommunication [Standardization Sector] (ITU-T); certificate; certification authority (CA); public key

zone

In the Macintosh environment, a logical grouping that simplifies browsing the network for resources, such as servers and printers.
In a DNS database, a manageable unit of the DNS database that is administered by a DNS server. A zone stores the domain names and data of the domain with a corresponding name, except for domain names stored in delegated subdomains.
See also: Domain Name System (DNS); partition; resource; DNS Server; domain

zone listzone list

In the Macintosh environment, a list that includes all of the zones associated with a particular network. Zone list is not to be confused with Windows DNS zones.
See also: Domain Name System (DNS); zone

zone transfer

The synchronization of authoritative DNS data between DNS servers. A DNS server configured with a secondary zone periodically queries the master DNS servers to synchronize its zone data.
See also: authoritative; DNS Server; secondary master; zone