What does NACK mean in Networking?

This page is about the meanings of the acronym/abbreviation/shorthand NACK in the Computing field in general and in the Networking terminology in particular.

Negative ACKnowledge

Computing » Networking

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Definition

What does NACK mean?

nack(Verb)
To acknowledge negatively; to send a NAK signal to.

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"NACK." Abbreviations.com. STANDS4 LLC, 2015. Web. 31 Aug. 2015. <http://www.abbreviations.com/term/155396>.