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IT Dictionary

Clear, practical definitions to understand network, security, systems and IT vocabulary.

Filter by topic 63 topics
60matching definitions · 1,058 in the dictionary Clear filters
DEFINITION

PMF 802.11w

PMF 802.11w is a concept or mechanism used in & wi‐fi network to protect certain Wi‐Fi management frames.

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DEFINITION

PoE

A technology that supplies electrical equipment directly through its Ethernet cable.

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DEFINITION

PostgreSQL

PostgreSQL is a relational database management system providing tables, transactions, indexes and access controls for applications.

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DEFINITION

Prefix List

A prefix list selects or filters IP network prefixes by address and prefix length, commonly controlling routing advertisements.

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DEFINITION

procfs

procfs is a virtual Linux filesystem exposing process and kernel status through paths under /proc.

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DEFINITION

Prompt

A prompt is an instruction or input supplied to an AI model to guide the task and resulting output.

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