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Table Of Contents  CertiGuide to Network+
 9  Glossary

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Q QA

Quality Assurance. A process that evaluates performance on an on-going basis, insuring that a product or process meets relevant standards.

QC

Quality Control. Any process that is used to insure that the correct material(s) is delivered to the appropriate user(s), at the proper time for the accurate cost.

QIC

Quarter-Inch Cartridge, A.K.A. Quarter-Inch Committee. Pronounced quick, a standard for magnetic tape drives. Refer to DAT, Travan.

QoS Admission Control Service

A software service that controls bandwidth and network resources on the subnet to which it is assigned. Important applications can be given more bandwidth, less important applications less bandwidth. The QoS Admission Control Service can be installed on any network-enabled computer running Windows 2000.

Quality of Service (QoS)

A set of quality assurance standards and mechanisms for data transmission, implemented in Windows 2000.

Quantum

Also known as a time slice, the maximum amount of time a thread can run before the system checks for another ready thread of the same priority to run.

Quarter-inch cartridge (QIC)

An older storage technology used with tape backup drives and cartridges. A means of backing up data on computer systems, QIC represents a set of standards devised to enable tapes to be used with drives from different manufacturers. The QIC standards specify the length of tape, the number of recording tracks, and the magnetic strength of the tape coating, all of which determine the amount of information that can be written to the tape. Older QIC-80 drives can hold up to 340 MB of compressed data. Newer versions can hold more than 1 GB of information.

Queue

A temporary ‘parking zone’ in which data is briefly held. Using First-In, First-Out (FIFO), work can be lined up for a resource, such as a printer.


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