Windows Server 2003 Glossary - X

Applies To: Windows Server 2000, Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

For more Windows Server terms, see the Windows Server 2008 Glossary.

Glossary - X

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X.500

A set of standards defining a distributed directory service, developed by the International Standards Organization (ISO).

See also: directory service   

X.509 v3 certificate

Version 3 of the International Telecommunication Union - Telecommunication [Standardization Sector] (ITU-T) recommendation X.509 for certificate syntax and format. This is the standard certificate format used by Windows 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: certification authority (CA)   International Telecommunication Union - Telecommunication [Standardization Sector] (ITU-T)   public key   

x86

Refers to microprocessors that have or emulate the 32-bit Intel processor architecture.

XML

See other term: Extensible Markup Language (XML)  

XOR (exclusive OR)

A Boolean operation that yields true if and only if one of its operands is true and the other is false. For some server operating systems, the exclusive OR is a Boolean operation in which the RAID-5 volume form of fault tolerance maintains an XOR of the total data to provide data redundancy. This is used to reconstruct missing data on a failed disk or sector from the remaining disks in the RAID-5 volume.

See also: fault tolerance   RAID-5 volume